Backtrackit is a music practice app that helps musicians learn new songs by slowing down audio, looping sections, and shifting pitch. To give users deeper control and a more nuanced understanding of each track, Backtrackit integrated AudioShake’s real-time stem separation SDK.

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With AudioShake’s award-winning technology now built into the app, users can isolate or remove individual instruments—like bass, drums, or vocals—directly from their mobile device. Its intuitive “Track Splitter” interface lets musicians create karaoke-style mixes, isolate tricky parts, loop them, slow them down, and clearly hear every detail.