I–V–I–V in F♯ Major

Pattern: I – V – I – V Chords: F♯ – C♯ – F♯ – C♯

Chord Breakdown

Numeral	Chord	Type	Function
I	F♯ (details)	major	Tonic
V	C♯ (details)	major	Dominant
I	F♯ (details)	major	Tonic
V	C♯ (details)	major	Dominant

Harmonic Analysis

This progression moves through F♯ (Tonic) → C♯ (Dominant) → F♯ (Tonic) → C♯ (Dominant).

The simplest possible four-bar pattern, bouncing between tonic and dominant. This back-and-forth motion is the foundation of countless campfire songs and traditional folk tunes.

Song Examples

Oh! Susanna — Stephen Foster
Clementine — Traditional

Chord Details

F♯ C♯

More Progressions in F♯ Major

I–IV–V–I I–V–vi–IV I–vi–IV–V ii–V–I I–IV–V I–♭VII–IV vi–IV–I–V I–V–vi–iii–IV–I–IV–V I–IV I–V IV–V IV–I