12‑Color Chromatic Circle
Follow the arrows: each note points to the next
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Melody Explorer — Timeline + TAB
Notes in time, 2 bars at a time. Follows playback in sync with the circle, keyboard, and fretboard
Piano Keyboard — 2 Octaves
Register 1 (C4–B4) · Register 2 (C5–B5)
Guitar Fretboard
Controls
Fast
Slow
KCM Melody Library · Public-Domain Edition
KCM Melody Library
375 real Billboard Top-5 melodies, 1950–2024, from the KCM Melody Library — built in, plays instantly, no internet required.
Full KCM Melody Library — Songs + Sections (online)
All 375 full melodies plus 1,163 song sections (verse, chorus, bridge…) from the KCM Melody Library on GitHub. Connects automatically.
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