Professional music teacher with iPad / iPhone

For a professional music player with time stretching and pitch shifting 

https://geo.itunes.apple.com/us/app/stretch-pitch-and-fun!/id1050595896?mt=8&at=10lt5N

We designed this music player for the professional music teachers #iPadPro Stretch, Pitch and Fun ! #musicplayer https://t.co/WAG567dCEp

— Benoit LEGRAND Apps (@laclassedelipad) December 25, 2015