Crescendo Companion LLC

2 listings we've seen · as of 7 Oct 2026. This is the maker name shown on the store, not proof of who owns the company.

Tools

Metronome, tuner, drone, auto-logged practice journal — slow down, A-B loop, transpose YouTube, detect BPM & key, record takes.

Tools

Practice ear training your way: custom drills for intervals, chords, scales & rhythm, spaced repetition, progress analysis and more.