Keymap: Stem Splitter & Chords

Keymap turns any song into a practice tool — entirely on your iPhone. HEAR EVERY PART • Split a song into vocals, drums, bass, guitar, piano and other • Mute the vocals for an instant backing track or karaoke • Solo one instrument and learn exactly what it plays KEY, BPM, CHORDS, STRUCTURE • Key and tempo detected on the device in seconds • Chord sheet with a capo setting and fingerings • Color map of the song: intro, verse, chorus — tap a part to loop it (iOS 27) LYRICS WITH CHORDS • Lyrics recognized on the device, chords written above the words PRACTICE SMARTER • Slow down to 50% without changing pitch, or change the key to match your voice • Loop any part, snapped to the beat • Metronome with count-in, built-in tuner • Record yourself and compare with the original • Practice streak and a home screen widget BUILD IT YOURSELF • Export MIDI, a chord chart and a project outline for your…