diff --git a/Pipfile b/Pipfile
index 8ce7f26..9f9296c 100644
--- a/Pipfile
+++ b/Pipfile
@@ -7,7 +7,15 @@ verify_ssl = true
 precountify = {editable = true,extras = ["madmom"],path = "."}
 pytest = "*"
 flake8 = "*"
+twine = "*"
+wheel = "*"
 
 [packages]
-fire = "*"
-librosa = "*"
+
+[scripts]
+test = "pytest"
+lint = "flake8 precountify tests"
+build = "python setup.py sdist bdist_wheel"
+clean = "rm -rf build dist precountify.egg-info"
+test-upload = "twine upload -s -r test dist/*"
+upload = "twine upload -s -r pypi dist/*"
diff --git a/Pipfile.lock b/Pipfile.lock
index 406abe6..a7ece3f 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "e644e35e9e27302e78a42df205bbdd35d60669a0af72112547178e1966722464"
+            "sha256": "d68ea1d5354440734518157569314efe32d775e1af27b19a692eb70f3e7bde80"
         },
         "pipfile-spec": 6,
         "requires": {},
@@ -13,13 +13,35 @@
             }
         ]
     },
-    "default": {
+    "default": {},
+    "develop": {
+        "attrs": {
+            "hashes": [
+                "sha256:08a96c641c3a74e44eb59afb61a24f2cb9f4d7188748e76ba4bb5edfa3cb7d1c",
+                "sha256:f7b7ce16570fe9965acd6d30101a28f62fb4a7f9e926b3bbc9b61f8b04247e72"
+            ],
+            "version": "==19.3.0"
+        },
         "audioread": {
             "hashes": [
                 "sha256:073904fabc842881e07bd3e4a5776623535562f70b1655b635d22886168dd168"
             ],
             "version": "==2.1.8"
         },
+        "bleach": {
+            "hashes": [
+                "sha256:213336e49e102af26d9cde77dd2d0397afabc5a6bf2fed985dc35b5d1e285a16",
+                "sha256:3fdf7f77adcf649c9911387df51254b813185e32b2c6619f690b593a617e19fa"
+            ],
+            "version": "==3.1.0"
+        },
+        "certifi": {
+            "hashes": [
+                "sha256:017c25db2a153ce562900032d5bc68e9f191e44e9a0f762f373977de9df1fbb3",
+                "sha256:25b64c7da4cd7479594d035c08c2d809eb4aab3a26e5a990ea98cc450c320f1f"
+            ],
+            "version": "==2019.11.28"
+        },
         "cffi": {
             "hashes": [
                 "sha256:0b49274afc941c626b605fb59b59c3485c17dc776dc3cc7cc14aca74cc19cc42",
@@ -58,6 +80,50 @@
             ],
             "version": "==1.13.2"
         },
+        "chardet": {
+            "hashes": [
+                "sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae",
+                "sha256:fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691"
+            ],
+            "version": "==3.0.4"
+        },
+        "cython": {
+            "hashes": [
+                "sha256:03f6bbb380ad0acb744fb06e42996ea217e9d00016ca0ff6f2e7d60f580d0360",
+                "sha256:05e8cfd3a3a6087aec49a1ae08a89171db991956209406d1e5576f9db70ece52",
+                "sha256:05eb79efc8029d487251c8a2702a909a8ba33c332e06d2f3980866541bd81253",
+                "sha256:094d28a34c3fa992ae02aea1edbe6ff89b3cc5870b6ee38b5baeb805dc57b013",
+                "sha256:0c70e842e52e2f50cc43bad43b5e5bc515f30821a374e544abb0e0746f2350ff",
+                "sha256:1dcdaa319558eb924294a554dcf6c12383ec947acc7e779e8d3622409a7f7d28",
+                "sha256:1fc5bdda28f25fec44e4721677458aa509d743cd350862270309d61aa148d6ff",
+                "sha256:280573a01d9348d44a42d6a9c651d9f7eb1fe9217df72555b2a118f902996a10",
+                "sha256:298ceca7b0f0da4205fcb0b7c9ac9e120e2dafffd5019ba1618e84ef89434b5a",
+                "sha256:4074a8bff0040035673cc6dd365a762476d6bff4d03d8ce6904e3e53f9a25dc8",
+                "sha256:41e7068e95fbf9ec94b41437f989caf9674135e770a39cdb9c00de459bafd1bc",
+                "sha256:47e5e1502d52ef03387cf9d3b3241007961a84a466e58a3b74028e1dd4957f8c",
+                "sha256:521340844cf388d109ceb61397f3fd5250ccb622a1a8e93559e8de76c80940a9",
+                "sha256:6c53338c1811f8c6d7f8cb7abd874810b15045e719e8207f957035c9177b4213",
+                "sha256:75c2dda47dcc3c77449712b1417bb6b89ec3b7b02e18c64262494dceffdf455e",
+                "sha256:773c5a98e463b52f7e8197254b39b703a5ea1972aef3a94b3b921515d77dd041",
+                "sha256:78c3068dcba300d473fef57cdf523e34b37de522f5a494ef9ee1ac9b4b8bbe3f",
+                "sha256:7bc18fc5a170f2c1cef5387a3d997c28942918bbee0f700e73fd2178ee8d474d",
+                "sha256:7f89eff20e4a7a64b55210dac17aea711ed8a3f2e78f2ff784c0e984302583dd",
+                "sha256:89458b49976b1dee5d89ab4ac943da3717b4292bf624367e862e4ee172fcce99",
+                "sha256:986f871c0fa649b293061236b93782d25c293a8dd8117c7ba05f8a61bdc261ae",
+                "sha256:a0f495a4fe5278aab278feee35e6102efecde5176a8a74dd28c28e3fc5c8d7c7",
+                "sha256:a14aa436586c41633339415de82a41164691d02d3e661038da533be5d40794a5",
+                "sha256:b8ab3ab38afc47d8f4fe629b836243544351cef681b6bdb1dc869028d6fdcbfb",
+                "sha256:bb487881608ebd293592553c618f0c83316f4f13a64cb18605b1d2fb9fd3da3e",
+                "sha256:c0b24bfe3431b3cb7ced323bca813dbd13aca973a1475b512d3331fd0de8ec60",
+                "sha256:c7894c06205166d360ab2915ae306d1f7403e9ce3d3aaeff4095eaf98e42ce66",
+                "sha256:d4039bb7f234ad32267c55e72fd49fb56078ea102f9d9d8559f6ec34d4887630",
+                "sha256:e4d6bb8703d0319eb04b7319b12ea41580df44fd84d83ccda13ea463c6801414",
+                "sha256:e8fab9911fd2fa8e5af407057cb8bdf87762f983cba483fa3234be20a9a0af77",
+                "sha256:f3818e578e687cdb21dc4aa4a3bc6278c656c9c393e9eda14dd04943f478863d",
+                "sha256:fe666645493d72712c46e4fbe8bec094b06aec3c337400479e9704439c9d9586"
+            ],
+            "version": "==0.29.14"
+        },
         "decorator": {
             "hashes": [
                 "sha256:54c38050039232e1db4ad7375cfce6748d7b41c29e95a081c8a6d2c30364a2ce",
@@ -65,13 +131,49 @@
             ],
             "version": "==4.4.1"
         },
+        "docutils": {
+            "hashes": [
+                "sha256:0c5b78adfbf7762415433f5515cd5c9e762339e23369dbe8000d84a4bf4ab3af",
+                "sha256:c2de3a60e9e7d07be26b7f2b00ca0309c207e06c100f9cc2a94931fc75a478fc"
+            ],
+            "version": "==0.16"
+        },
+        "entrypoints": {
+            "hashes": [
+                "sha256:589f874b313739ad35be6e0cd7efde2a4e9b6fea91edcc34e58ecbb8dbe56d19",
+                "sha256:c70dd71abe5a8c85e55e12c19bd91ccfeec11a6e99044204511f9ed547d48451"
+            ],
+            "version": "==0.3"
+        },
         "fire": {
             "hashes": [
                 "sha256:6865fefc6981a713d2ce56a2a2c92c56c729269f74a6cddd6f4b94d16ae084c9"
             ],
-            "index": "pypi",
             "version": "==0.2.1"
         },
+        "flake8": {
+            "hashes": [
+                "sha256:45681a117ecc81e870cbf1262835ae4af5e7a8b08e40b944a8a6e6b895914cfb",
+                "sha256:49356e766643ad15072a789a20915d3c91dc89fd313ccd71802303fd67e4deca"
+            ],
+            "index": "pypi",
+            "version": "==3.7.9"
+        },
+        "idna": {
+            "hashes": [
+                "sha256:c357b3f628cf53ae2c4c05627ecc484553142ca23264e593d327bcde5e9c3407",
+                "sha256:ea8b7f6188e6fa117537c3df7da9fc686d485087abf6ac197f9c46432f7e4a3c"
+            ],
+            "version": "==2.8"
+        },
+        "importlib-metadata": {
+            "hashes": [
+                "sha256:bdd9b7c397c273bcc9a11d6629a38487cd07154fa255a467bf704cd2c258e359",
+                "sha256:f17c015735e1a88296994c0697ecea7e11db24290941983b08c9feb30921e6d8"
+            ],
+            "markers": "python_version < '3.8'",
+            "version": "==1.4.0"
+        },
         "joblib": {
             "hashes": [
                 "sha256:0630eea4f5664c463f23fbf5dcfc54a2bc6168902719fa8e19daf033022786c8",
@@ -79,11 +181,17 @@
             ],
             "version": "==0.14.1"
         },
+        "keyring": {
+            "hashes": [
+                "sha256:1f393f7466314068961c7e1d508120c092bd71fa54e3d93b76180b526d4abc56",
+                "sha256:24ae23ab2d6adc59138339e56843e33ec7b0a6b2f06302662477085c6c0aca00"
+            ],
+            "version": "==21.1.0"
+        },
         "librosa": {
             "hashes": [
                 "sha256:656bbda80e98e6330db1ead79cd084b13a762284834d7603fcf7cf7c0dc65f3c"
             ],
-            "index": "pypi",
             "version": "==0.7.2"
         },
         "llvmlite": {
@@ -117,6 +225,33 @@
             ],
             "version": "==0.31.0"
         },
+        "madmom": {
+            "hashes": [
+                "sha256:64a86a29106e7c4e0c5f4ec96801c2d1a8492db710e4fe27e097da5517d68cb2"
+            ],
+            "version": "==0.16.1"
+        },
+        "mccabe": {
+            "hashes": [
+                "sha256:ab8a6258860da4b6677da4bd2fe5dc2c659cff31b3ee4f7f5d64e79735b80d42",
+                "sha256:dd8d182285a0fe56bace7f45b5e7d1a6ebcbf524e8f3bd87eb0f125271b8831f"
+            ],
+            "version": "==0.6.1"
+        },
+        "mido": {
+            "hashes": [
+                "sha256:c4a7d5528fefa3d3dcaa2056d4bc873e2c96a395658d15af5a89c8c3fa7c7acc",
+                "sha256:fc6364efa028c8405166f63e6a83cbc6c17aaeac2c28680abe64ae48703a89dd"
+            ],
+            "version": "==1.2.9"
+        },
+        "more-itertools": {
+            "hashes": [
+                "sha256:1a2a32c72400d365000412fe08eb4a24ebee89997c18d3d147544f70f5403b39",
+                "sha256:c468adec578380b6281a114cb8a5db34eb1116277da92d7c46f904f0b52d3288"
+            ],
+            "version": "==8.1.0"
+        },
         "numba": {
             "hashes": [
                 "sha256:04076e70df1469eae7252efb7761278d8abaa31d2ea8b036faa9dc9279963b7a",
@@ -172,12 +307,104 @@
             ],
             "version": "==1.18.1"
         },
+        "packaging": {
+            "hashes": [
+                "sha256:aec3fdbb8bc9e4bb65f0634b9f551ced63983a529d6a8931817d52fdd0816ddb",
+                "sha256:fe1d8331dfa7cc0a883b49d75fc76380b2ab2734b220fbb87d774e4fd4b851f8"
+            ],
+            "version": "==20.0"
+        },
+        "pkginfo": {
+            "hashes": [
+                "sha256:7424f2c8511c186cd5424bbf31045b77435b37a8d604990b79d4e70d741148bb",
+                "sha256:a6d9e40ca61ad3ebd0b72fbadd4fba16e4c0e4df0428c041e01e06eb6ee71f32"
+            ],
+            "version": "==1.5.0.1"
+        },
+        "pluggy": {
+            "hashes": [
+                "sha256:15b2acde666561e1298d71b523007ed7364de07029219b604cf808bfa1c765b0",
+                "sha256:966c145cd83c96502c3c3868f50408687b38434af77734af1e9ca461a4081d2d"
+            ],
+            "version": "==0.13.1"
+        },
+        "precountify": {
+            "editable": true,
+            "extras": [
+                "madmom"
+            ],
+            "path": "."
+        },
+        "py": {
+            "hashes": [
+                "sha256:5e27081401262157467ad6e7f851b7aa402c5852dbcb3dae06768434de5752aa",
+                "sha256:c20fdd83a5dbc0af9efd622bee9a5564e278f6380fffcacc43ba6f43db2813b0"
+            ],
+            "version": "==1.8.1"
+        },
+        "pycodestyle": {
+            "hashes": [
+                "sha256:95a2219d12372f05704562a14ec30bc76b05a5b297b21a5dfe3f6fac3491ae56",
+                "sha256:e40a936c9a450ad81df37f549d676d127b1b66000a6c500caa2b085bc0ca976c"
+            ],
+            "version": "==2.5.0"
+        },
         "pycparser": {
             "hashes": [
                 "sha256:a988718abfad80b6b157acce7bf130a30876d27603738ac39f140993246b25b3"
             ],
             "version": "==2.19"
         },
+        "pyflakes": {
+            "hashes": [
+                "sha256:17dbeb2e3f4d772725c777fabc446d5634d1038f234e77343108ce445ea69ce0",
+                "sha256:d976835886f8c5b31d47970ed689944a0262b5f3afa00a5a7b4dc81e5449f8a2"
+            ],
+            "version": "==2.1.1"
+        },
+        "pygments": {
+            "hashes": [
+                "sha256:2a3fe295e54a20164a9df49c75fa58526d3be48e14aceba6d6b1e8ac0bfd6f1b",
+                "sha256:98c8aa5a9f778fcd1026a17361ddaf7330d1b7c62ae97c3bb0ae73e0b9b6b0fe"
+            ],
+            "version": "==2.5.2"
+        },
+        "pyparsing": {
+            "hashes": [
+                "sha256:4c830582a84fb022400b85429791bc551f1f4871c33f23e44f353119e92f969f",
+                "sha256:c342dccb5250c08d45fd6f8b4a559613ca603b57498511740e65cd11a2e7dcec"
+            ],
+            "version": "==2.4.6"
+        },
+        "pytest": {
+            "hashes": [
+                "sha256:1d122e8be54d1a709e56f82e2d85dcba3018313d64647f38a91aec88c239b600",
+                "sha256:c13d1943c63e599b98cf118fcb9703e4d7bde7caa9a432567bcdcae4bf512d20"
+            ],
+            "index": "pypi",
+            "version": "==5.3.4"
+        },
+        "readme-renderer": {
+            "hashes": [
+                "sha256:bb16f55b259f27f75f640acf5e00cf897845a8b3e4731b5c1a436e4b8529202f",
+                "sha256:c8532b79afc0375a85f10433eca157d6b50f7d6990f337fa498c96cd4bfc203d"
+            ],
+            "version": "==24.0"
+        },
+        "requests": {
+            "hashes": [
+                "sha256:11e007a8a2aa0323f5a921e9e6a2d7e4e67d9877e85773fba9ba6419025cbeb4",
+                "sha256:9cf5292fcd0f598c671cfc1e0d7d1a7f13bb8085e9a590f48c010551dc6c4b31"
+            ],
+            "version": "==2.22.0"
+        },
+        "requests-toolbelt": {
+            "hashes": [
+                "sha256:380606e1d10dc85c3bd47bf5a6095f815ec007be7a8b69c878507068df059e6f",
+                "sha256:968089d4584ad4ad7c171454f0a5c6dac23971e9472521ea3b6d49d610aa6fc0"
+            ],
+            "version": "==0.9.1"
+        },
         "resampy": {
             "hashes": [
                 "sha256:62af020d8a6674d8117f62320ce9470437bb1d738a5d06cd55591b69b463929e"
@@ -258,225 +485,50 @@
                 "sha256:1d6d69ce66211143803fbc56652b41d73b4a400a2891d7bf7a1cdf4c02de613b"
             ],
             "version": "==1.1.0"
-        }
-    },
-    "develop": {
-        "attrs": {
-            "hashes": [
-                "sha256:08a96c641c3a74e44eb59afb61a24f2cb9f4d7188748e76ba4bb5edfa3cb7d1c",
-                "sha256:f7b7ce16570fe9965acd6d30101a28f62fb4a7f9e926b3bbc9b61f8b04247e72"
-            ],
-            "version": "==19.3.0"
         },
-        "cython": {
+        "tqdm": {
             "hashes": [
-                "sha256:03f6bbb380ad0acb744fb06e42996ea217e9d00016ca0ff6f2e7d60f580d0360",
-                "sha256:05e8cfd3a3a6087aec49a1ae08a89171db991956209406d1e5576f9db70ece52",
-                "sha256:05eb79efc8029d487251c8a2702a909a8ba33c332e06d2f3980866541bd81253",
-                "sha256:094d28a34c3fa992ae02aea1edbe6ff89b3cc5870b6ee38b5baeb805dc57b013",
-                "sha256:0c70e842e52e2f50cc43bad43b5e5bc515f30821a374e544abb0e0746f2350ff",
-                "sha256:1dcdaa319558eb924294a554dcf6c12383ec947acc7e779e8d3622409a7f7d28",
-                "sha256:1fc5bdda28f25fec44e4721677458aa509d743cd350862270309d61aa148d6ff",
-                "sha256:280573a01d9348d44a42d6a9c651d9f7eb1fe9217df72555b2a118f902996a10",
-                "sha256:298ceca7b0f0da4205fcb0b7c9ac9e120e2dafffd5019ba1618e84ef89434b5a",
-                "sha256:4074a8bff0040035673cc6dd365a762476d6bff4d03d8ce6904e3e53f9a25dc8",
-                "sha256:41e7068e95fbf9ec94b41437f989caf9674135e770a39cdb9c00de459bafd1bc",
-                "sha256:47e5e1502d52ef03387cf9d3b3241007961a84a466e58a3b74028e1dd4957f8c",
-                "sha256:521340844cf388d109ceb61397f3fd5250ccb622a1a8e93559e8de76c80940a9",
-                "sha256:6c53338c1811f8c6d7f8cb7abd874810b15045e719e8207f957035c9177b4213",
-                "sha256:75c2dda47dcc3c77449712b1417bb6b89ec3b7b02e18c64262494dceffdf455e",
-                "sha256:773c5a98e463b52f7e8197254b39b703a5ea1972aef3a94b3b921515d77dd041",
-                "sha256:78c3068dcba300d473fef57cdf523e34b37de522f5a494ef9ee1ac9b4b8bbe3f",
-                "sha256:7bc18fc5a170f2c1cef5387a3d997c28942918bbee0f700e73fd2178ee8d474d",
-                "sha256:7f89eff20e4a7a64b55210dac17aea711ed8a3f2e78f2ff784c0e984302583dd",
-                "sha256:89458b49976b1dee5d89ab4ac943da3717b4292bf624367e862e4ee172fcce99",
-                "sha256:986f871c0fa649b293061236b93782d25c293a8dd8117c7ba05f8a61bdc261ae",
-                "sha256:a0f495a4fe5278aab278feee35e6102efecde5176a8a74dd28c28e3fc5c8d7c7",
-                "sha256:a14aa436586c41633339415de82a41164691d02d3e661038da533be5d40794a5",
-                "sha256:b8ab3ab38afc47d8f4fe629b836243544351cef681b6bdb1dc869028d6fdcbfb",
-                "sha256:bb487881608ebd293592553c618f0c83316f4f13a64cb18605b1d2fb9fd3da3e",
-                "sha256:c0b24bfe3431b3cb7ced323bca813dbd13aca973a1475b512d3331fd0de8ec60",
-                "sha256:c7894c06205166d360ab2915ae306d1f7403e9ce3d3aaeff4095eaf98e42ce66",
-                "sha256:d4039bb7f234ad32267c55e72fd49fb56078ea102f9d9d8559f6ec34d4887630",
-                "sha256:e4d6bb8703d0319eb04b7319b12ea41580df44fd84d83ccda13ea463c6801414",
-                "sha256:e8fab9911fd2fa8e5af407057cb8bdf87762f983cba483fa3234be20a9a0af77",
-                "sha256:f3818e578e687cdb21dc4aa4a3bc6278c656c9c393e9eda14dd04943f478863d",
-                "sha256:fe666645493d72712c46e4fbe8bec094b06aec3c337400479e9704439c9d9586"
-            ],
-            "version": "==0.29.14"
-        },
-        "entrypoints": {
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-                "sha256:589f874b313739ad35be6e0cd7efde2a4e9b6fea91edcc34e58ecbb8dbe56d19",
-                "sha256:c70dd71abe5a8c85e55e12c19bd91ccfeec11a6e99044204511f9ed547d48451"
+                "sha256:4789ccbb6fc122b5a6a85d512e4e41fc5acad77216533a6f2b8ce51e0f265c23",
+                "sha256:efab950cf7cc1e4d8ee50b2bb9c8e4a89f8307b49e0b2c9cfef3ec4ca26655eb"
             ],
-            "version": "==0.3"
+            "version": "==4.41.1"
         },
-        "flake8": {
+        "twine": {
             "hashes": [
-                "sha256:45681a117ecc81e870cbf1262835ae4af5e7a8b08e40b944a8a6e6b895914cfb",
-                "sha256:49356e766643ad15072a789a20915d3c91dc89fd313ccd71802303fd67e4deca"
+                "sha256:c1af8ca391e43b0a06bbc155f7f67db0bf0d19d284bfc88d1675da497a946124",
+                "sha256:d561a5e511f70275e5a485a6275ff61851c16ffcb3a95a602189161112d9f160"
             ],
             "index": "pypi",
-            "version": "==3.7.9"
-        },
-        "importlib-metadata": {
-            "hashes": [
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-                "sha256:f17c015735e1a88296994c0697ecea7e11db24290941983b08c9feb30921e6d8"
-            ],
-            "markers": "python_version < '3.8'",
-            "version": "==1.4.0"
+            "version": "==3.1.1"
         },
-        "madmom": {
+        "urllib3": {
             "hashes": [
-                "sha256:64a86a29106e7c4e0c5f4ec96801c2d1a8492db710e4fe27e097da5517d68cb2"
+                "sha256:2f3db8b19923a873b3e5256dc9c2dedfa883e33d87c690d9c7913e1f40673cdc",
+                "sha256:87716c2d2a7121198ebcb7ce7cccf6ce5e9ba539041cfbaeecfb641dc0bf6acc"
             ],
-            "version": "==0.16.1"
+            "version": "==1.25.8"
         },
-        "mccabe": {
-            "hashes": [
-                "sha256:ab8a6258860da4b6677da4bd2fe5dc2c659cff31b3ee4f7f5d64e79735b80d42",
-                "sha256:dd8d182285a0fe56bace7f45b5e7d1a6ebcbf524e8f3bd87eb0f125271b8831f"
-            ],
-            "version": "==0.6.1"
-        },
-        "mido": {
-            "hashes": [
-                "sha256:c4a7d5528fefa3d3dcaa2056d4bc873e2c96a395658d15af5a89c8c3fa7c7acc",
-                "sha256:fc6364efa028c8405166f63e6a83cbc6c17aaeac2c28680abe64ae48703a89dd"
-            ],
-            "version": "==1.2.9"
-        },
-        "more-itertools": {
-            "hashes": [
-                "sha256:1a2a32c72400d365000412fe08eb4a24ebee89997c18d3d147544f70f5403b39",
-                "sha256:c468adec578380b6281a114cb8a5db34eb1116277da92d7c46f904f0b52d3288"
-            ],
-            "version": "==8.1.0"
-        },
-        "numpy": {
-            "hashes": [
-                "sha256:1786a08236f2c92ae0e70423c45e1e62788ed33028f94ca99c4df03f5be6b3c6",
-                "sha256:17aa7a81fe7599a10f2b7d95856dc5cf84a4eefa45bc96123cbbc3ebc568994e",
-                "sha256:20b26aaa5b3da029942cdcce719b363dbe58696ad182aff0e5dcb1687ec946dc",
-                "sha256:2d75908ab3ced4223ccba595b48e538afa5ecc37405923d1fea6906d7c3a50bc",
-                "sha256:39d2c685af15d3ce682c99ce5925cc66efc824652e10990d2462dfe9b8918c6a",
-                "sha256:56bc8ded6fcd9adea90f65377438f9fea8c05fcf7c5ba766bef258d0da1554aa",
-                "sha256:590355aeade1a2eaba17617c19edccb7db8d78760175256e3cf94590a1a964f3",
-                "sha256:70a840a26f4e61defa7bdf811d7498a284ced303dfbc35acb7be12a39b2aa121",
-                "sha256:77c3bfe65d8560487052ad55c6998a04b654c2fbc36d546aef2b2e511e760971",
-                "sha256:9537eecf179f566fd1c160a2e912ca0b8e02d773af0a7a1120ad4f7507cd0d26",
-                "sha256:9acdf933c1fd263c513a2df3dceecea6f3ff4419d80bf238510976bf9bcb26cd",
-                "sha256:ae0975f42ab1f28364dcda3dde3cf6c1ddab3e1d4b2909da0cb0191fa9ca0480",
-                "sha256:b3af02ecc999c8003e538e60c89a2b37646b39b688d4e44d7373e11c2debabec",
-                "sha256:b6ff59cee96b454516e47e7721098e6ceebef435e3e21ac2d6c3b8b02628eb77",
-                "sha256:b765ed3930b92812aa698a455847141869ef755a87e099fddd4ccf9d81fffb57",
-                "sha256:c98c5ffd7d41611407a1103ae11c8b634ad6a43606eca3e2a5a269e5d6e8eb07",
-                "sha256:cf7eb6b1025d3e169989416b1adcd676624c2dbed9e3bcb7137f51bfc8cc2572",
-                "sha256:d92350c22b150c1cae7ebb0ee8b5670cc84848f6359cf6b5d8f86617098a9b73",
-                "sha256:e422c3152921cece8b6a2fb6b0b4d73b6579bd20ae075e7d15143e711f3ca2ca",
-                "sha256:e840f552a509e3380b0f0ec977e8124d0dc34dc0e68289ca28f4d7c1d0d79474",
-                "sha256:f3d0a94ad151870978fb93538e95411c83899c9dc63e6fb65542f769568ecfa5"
-            ],
-            "version": "==1.18.1"
-        },
-        "packaging": {
-            "hashes": [
-                "sha256:aec3fdbb8bc9e4bb65f0634b9f551ced63983a529d6a8931817d52fdd0816ddb",
-                "sha256:fe1d8331dfa7cc0a883b49d75fc76380b2ab2734b220fbb87d774e4fd4b851f8"
-            ],
-            "version": "==20.0"
-        },
-        "pluggy": {
-            "hashes": [
-                "sha256:15b2acde666561e1298d71b523007ed7364de07029219b604cf808bfa1c765b0",
-                "sha256:966c145cd83c96502c3c3868f50408687b38434af77734af1e9ca461a4081d2d"
-            ],
-            "version": "==0.13.1"
-        },
-        "precountify": {
-            "editable": true,
-            "extras": [
-                "madmom"
-            ],
-            "path": "."
-        },
-        "py": {
-            "hashes": [
-                "sha256:5e27081401262157467ad6e7f851b7aa402c5852dbcb3dae06768434de5752aa",
-                "sha256:c20fdd83a5dbc0af9efd622bee9a5564e278f6380fffcacc43ba6f43db2813b0"
-            ],
-            "version": "==1.8.1"
-        },
-        "pycodestyle": {
+        "wcwidth": {
             "hashes": [
-                "sha256:95a2219d12372f05704562a14ec30bc76b05a5b297b21a5dfe3f6fac3491ae56",
-                "sha256:e40a936c9a450ad81df37f549d676d127b1b66000a6c500caa2b085bc0ca976c"
+                "sha256:8fd29383f539be45b20bd4df0dc29c20ba48654a41e661925e612311e9f3c603",
+                "sha256:f28b3e8a6483e5d49e7f8949ac1a78314e740333ae305b4ba5defd3e74fb37a8"
             ],
-            "version": "==2.5.0"
+            "version": "==0.1.8"
         },
-        "pyflakes": {
+        "webencodings": {
             "hashes": [
-                "sha256:17dbeb2e3f4d772725c777fabc446d5634d1038f234e77343108ce445ea69ce0",
-                "sha256:d976835886f8c5b31d47970ed689944a0262b5f3afa00a5a7b4dc81e5449f8a2"
+                "sha256:a0af1213f3c2226497a97e2b3aa01a7e4bee4f403f95be16fc9acd2947514a78",
+                "sha256:b36a1c245f2d304965eb4e0a82848379241dc04b865afcc4aab16748587e1923"
             ],
-            "version": "==2.1.1"
+            "version": "==0.5.1"
         },
-        "pyparsing": {
+        "wheel": {
             "hashes": [
-                "sha256:4c830582a84fb022400b85429791bc551f1f4871c33f23e44f353119e92f969f",
-                "sha256:c342dccb5250c08d45fd6f8b4a559613ca603b57498511740e65cd11a2e7dcec"
-            ],
-            "version": "==2.4.6"
-        },
-        "pytest": {
-            "hashes": [
-                "sha256:1d122e8be54d1a709e56f82e2d85dcba3018313d64647f38a91aec88c239b600",
-                "sha256:c13d1943c63e599b98cf118fcb9703e4d7bde7caa9a432567bcdcae4bf512d20"
+                "sha256:10c9da68765315ed98850f8e048347c3eb06dd81822dc2ab1d4fde9dc9702646",
+                "sha256:f4da1763d3becf2e2cd92a14a7c920f0f00eca30fdde9ea992c836685b9faf28"
             ],
             "index": "pypi",
-            "version": "==5.3.4"
-        },
-        "scipy": {
-            "hashes": [
-                "sha256:00af72998a46c25bdb5824d2b729e7dabec0c765f9deb0b504f928591f5ff9d4",
-                "sha256:0902a620a381f101e184a958459b36d3ee50f5effd186db76e131cbefcbb96f7",
-                "sha256:1e3190466d669d658233e8a583b854f6386dd62d655539b77b3fa25bfb2abb70",
-                "sha256:2cce3f9847a1a51019e8c5b47620da93950e58ebc611f13e0d11f4980ca5fecb",
-                "sha256:3092857f36b690a321a662fe5496cb816a7f4eecd875e1d36793d92d3f884073",
-                "sha256:386086e2972ed2db17cebf88610aab7d7f6e2c0ca30042dc9a89cf18dcc363fa",
-                "sha256:71eb180f22c49066f25d6df16f8709f215723317cc951d99e54dc88020ea57be",
-                "sha256:770254a280d741dd3436919d47e35712fb081a6ff8bafc0f319382b954b77802",
-                "sha256:787cc50cab3020a865640aba3485e9fbd161d4d3b0d03a967df1a2881320512d",
-                "sha256:8a07760d5c7f3a92e440ad3aedcc98891e915ce857664282ae3c0220f3301eb6",
-                "sha256:8d3bc3993b8e4be7eade6dcc6fd59a412d96d3a33fa42b0fa45dc9e24495ede9",
-                "sha256:9508a7c628a165c2c835f2497837bf6ac80eb25291055f56c129df3c943cbaf8",
-                "sha256:a144811318853a23d32a07bc7fd5561ff0cac5da643d96ed94a4ffe967d89672",
-                "sha256:a1aae70d52d0b074d8121333bc807a485f9f1e6a69742010b33780df2e60cfe0",
-                "sha256:a2d6df9eb074af7f08866598e4ef068a2b310d98f87dc23bd1b90ec7bdcec802",
-                "sha256:bb517872058a1f087c4528e7429b4a44533a902644987e7b2fe35ecc223bc408",
-                "sha256:c5cac0c0387272ee0e789e94a570ac51deb01c796b37fb2aad1fb13f85e2f97d",
-                "sha256:cc971a82ea1170e677443108703a2ec9ff0f70752258d0e9f5433d00dda01f59",
-                "sha256:dba8306f6da99e37ea08c08fef6e274b5bf8567bb094d1dbe86a20e532aca088",
-                "sha256:dc60bb302f48acf6da8ca4444cfa17d52c63c5415302a9ee77b3b21618090521",
-                "sha256:dee1bbf3a6c8f73b6b218cb28eed8dd13347ea2f87d572ce19b289d6fd3fbc59"
-            ],
-            "version": "==1.4.1"
-        },
-        "six": {
-            "hashes": [
-                "sha256:236bdbdce46e6e6a3d61a337c0f8b763ca1e8717c03b369e87a7ec7ce1319c0a",
-                "sha256:8f3cd2e254d8f793e7f3d6d9df77b92252b52637291d0f0da013c76ea2724b6c"
-            ],
-            "version": "==1.14.0"
-        },
-        "wcwidth": {
-            "hashes": [
-                "sha256:8fd29383f539be45b20bd4df0dc29c20ba48654a41e661925e612311e9f3c603",
-                "sha256:f28b3e8a6483e5d49e7f8949ac1a78314e740333ae305b4ba5defd3e74fb37a8"
-            ],
-            "version": "==0.1.8"
+            "version": "==0.33.6"
         },
         "zipp": {
             "hashes": [
diff --git a/README.md b/README.md
index 453833d..c06ce63 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,22 @@
 
 A tool for adding pre-count (count-off) click to audio file.
 
+## Requirements
+
+- python >= 3.4
+
+## Install
+
+```sh
+pip install precountify
+
+# with madmom
+pip install precountify[madmom]
+
+# with essentia (linux only)
+pip install precountify[essentia]
+```
+
 ## Usage
 
 ```sh
diff --git a/precountify/audio/__init__.py b/precountify/audio/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/precountify/estimator/__init__.py b/precountify/estimator/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/setup.cfg b/setup.cfg
index 5b7c036..a82f706 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -7,6 +7,7 @@ description = A tool for pre-countifying
 long_description = file: README.md
 long_description_content_type = text/markdown
 keywords =
+  audio-processing
 url = https://github.com/akiomik/precountify
 license = Apache License 2.0
 license_file = LICENSE
@@ -29,6 +30,8 @@ classifiers =
 [options]
 zip_safe = false
 packages = find:
+setup_requires =
+  setuptools >= 38.3.0
 python_requires = >=3.4
 
 [options.extras_require]
@@ -39,6 +42,9 @@ essentia = essentia==2.1b5
 exclude =
     *.tests
 
+[options.package_data]
+* = data/*.wav
+
 [options.entry_points]
 console_scripts =
   precountify = precountify.cli:main
diff --git a/setup.py b/setup.py
index 5e4ba19..b8d29a1 100644
--- a/setup.py
+++ b/setup.py
@@ -1,4 +1,4 @@
 from setuptools import setup
 setup(
-    install_requires=[]
+    install_requires=['fire', 'librosa']
 )