AB Music Trainer is a free music and video player that lets you play / work on your favorite songs by repeating sections.
- Totally free app (possibility of donation with in-app purchase)
- Define loop sections to work on.
- As many sections / loops and markers as you want.
- Speed and pitch change on MP3 files.
- Background playing music and video.
- Support for lyrics lrc file format
- Easy to use while playing the instrument.
- Favorites for songs and folders.
- Simply and precisely adjust the markers and AB points for your loop.
- When you are ok on a loop / section simply expand the section by selecting next loop / section and so on you can this way work on larger loops / sections without editing.
- Live display on the 'time line' of the defined loop sections.
- For each loop define your progress and its difficulty.

note : speed pitch change requires MP3 44.1 KHz / Stereo and Android 6.0+
loop - section - mp3 - player - music - video - backing track - guitar lyrics lrc