Release 1.4.2. Some fixes to release 1.4.1.

StrumPract is various tools for musicians.

Like:

Learn to play drums set in 4 lessons and develop your art.
Practice your other instruments with a editable drums machine.
Tune your guitar and bass.
Play audio files and loop it.
DJ console for mixing, with 2 players and direct-output of mic.
Record your ideas-jam.

Release 1.4.1. Some fixes to release 1.4.