What is the I–IV–V–I progression?
Simple country waltz. Front porch picking.
Songs that use this
- You Are My Sunshine
- Red River Valley
- Amazing Grace
Why it works
These chords outline strong tonic, dominant, and relative minor colors in G 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-CD major → D-G-A-DE major → E-A-B-EF major → F-Bb-C-FG major → G-C-D-GA major → A-D-E-AB major → B-E-F#-B