Progression
The I–IV–V in F major
I–IV–V in F major plays F, Bb and C — I, IV and V — across 4 chords. The three-chord song — folk, country and early rock's whole harmonic vocabulary in one loop.
The chords, in order
1FI
2BbIV
3CV
4FI
I–IV–V in F major plays F, Bb and C — I, IV and V — across 4 chords. The three-chord song — folk, country and early rock's whole harmonic vocabulary in one loop.