What is the I–vi–ii–V progression?
Circle-of-fifths movement through major and minor chords.
Songs that use this
- Blue Moon
- Island in the Sun
- All the Things You Are
Why it works
These chords outline strong tonic, dominant, and relative minor colors in C major—easy to sing and easy to remember on ukulele.
Try in other keys
Same Roman numerals; chords transpose with the key.
C major → C-Am-Dm-GD major → D-Bm-Em-AE major → E-Dbm-F#m-BF major → F-Dm-Gm-CG major → G-Em-Am-DA major → A-F#m-Bm-EB major → B-Abm-Dbm-F#