PercussionTutor 4.0 update

Here is a 30 seconds video with everything you need to know about the PercussionTutor 4.0 update.

• iPad version (PercussionTutor is now an universal app)
• new design and user interface
• better audio quality (compression rate is now 1/4 vs. 1/10 for the mp3 files used before)
• new metronome playing along with every rhythm
• time-stretching option on every rhythm & every instrument