Interactive Chord Chart Browser

Select a chord quality and root to display its JamBuddy fingering.

Key Mode

Key Mode Current chord

Tap a suggestion to extend your progression. Suggestions are weighted by common functional harmony (V→I, ii→V, etc.).

Chords / progression

Transpose Spelling

—

Capo fret

120BPM

Beats / measure Pattern

Patterns from the JamBuddy app: D = down (accent), U = up, x = mute/skip.

—

−500+50

cents: —

— Hz

Allow microphone access, then play a single note. A reads at 440 Hz.

—

confidence: —

Detected key

—

Pitch-class energy (chroma)

Play or strum chords near your mic. Detection mirrors the JamBuddy app: FFT → chroma → chord templates, with key inferred from the chords you play.

BPM Meter Key

Detected notes — ▲▼ retune · –/+ length · ⊕ insert · ✕ delete

Sheet preview (built from the timeline above)

Playback (MIDI)

ABC source (editable)

Records detected chords + melody to standard ABC notation using YIN pitch detection. Editing the ABC box stops auto-overwrite.