What is the I–IV–V–IV progression?
Classic reggae strum pattern. Laid-back island groove.
Songs that use this
- Pressure Drop
- Louie Louie
- Hang On Sloopy
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-F-G-FD major → D-G-A-GE major → E-A-B-AF major → F-Bb-C-BbG major → G-C-D-CA major → A-D-E-DB major → B-E-F#-E