A Guitar-Centric Music Thingy

Rotate the wheel. The key at the top is the tonic — chords and guitar tab follow.

Circle of Fifths

Modes

Drag the wheel · click a key · arrows rotate · click a chord to hear it

C majorno sharps or flats

Scale

Other shapes ·

Colors

Borrowed

Jazz / classical

Scale patterns

Major box

Minor box

Fretboard · scale tones

root 3rd / 5th of tonic other scale tone out of scale click a note to hear it

Legend

Accidentals

sharp — raise one half step

flat — lower one half step

F♯/G♭ are the same pitch (enharmonic). Fretboard accidentals show both names.

Roman numerals

Chord function in the key.

I IV V major · ii iii vi minor · vii° diminished

+ augmented · ° / dim diminished

Uppercase = major, lowercase = minor.

Chord names

C major triad · Am minor · Bdim diminished · Caug augmented

Click a chord card to hear it. Names and tab are selectable.

Scale tab

Bold fret numbers are the tonic (root).

Major box and pentatonic-style box are two fingerings of the same scale.