Key of C Major
| # | Chord | Fretboards | Mode | Fretboards | ||||
|---|---|---|---|---|---|---|---|---|
| I | C Major 7th | Bass | Guitar | Ukulele | C Ionian | Bass | Guitar | Ukulele |
| ii | D Minor 7th | Bass | Guitar | Ukulele | D Dorian | Bass | Guitar | Ukulele |
| iii | E Minor 7th | Bass | Guitar | Ukulele | E Phrygian | Bass | Guitar | Ukulele |
| IV | F Major 7th | Bass | Guitar | Ukulele | F Lydian | Bass | Guitar | Ukulele |
| v | G Dominant 7th | Bass | Guitar | Ukulele | G Mixolydian | Bass | Guitar | Ukulele |
| vi | A Minor 7th | Bass | Guitar | Ukulele | A Aeolian | Bass | Guitar | Ukulele |
| vii | B Minor 7th flat 5 | Bass | Guitar | Ukulele | B Locrian | Bass | Guitar | Ukulele |
| All chords | Bass | Guitar | Ukulele | All modes | Bass | Guitar | Ukulele | |
Other keys
| Key | Notes | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Major | C | D♭ | D | E♭ | E | F | G♭ | G | A♭ | A | B♭ | B |
| Minor | C | C♯ | D | E♭ | E | F | F♯ | G | G♯ | A | B♭ | B |