visualizações
Backtrackit App - Musicians' Audio Player
Rock Ballad Backing Track - A minor
Backtrackit - Backing Tracks with Live Chord Progression
ALL IN ONE SOFTWARE FOR KARAOKE, COVER SINGER (backtrackit)
Singing Exercise Feature - Backtrackit App
Backtrackit App Review
BACKTRACKIT app & Fret Zealot
Backtrackit App Review and Demo