Compose multitrack music with help of auto composer. Hear some sample songs created with Song Engineer and Multitrack Engineer apps - http://www.gyokovsolutions.com/SongEngineer.html v3.9 - Menu - Remove ads v3.8 - option in Settings to use more accessible device documents folder as app folder v3.7 - improved UI touch - option to save midi in device MUSIC folder v3.5 - improved sounds and sounds load