I–V–vi–IV progression

The I–V–vi–IV progression is a common chord progression popular across several genres of music. It uses the I, V, vi, and IV chords of a musical scale. For example, in the key of C major, this progression would be C–G–Am–F.^[1] Rotations include:

The '50s progression uses the same chords but in a different order (I–vi–IV–V), no matter the starting point.

Roman numeral analysis

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The Complexity of Songs

'50s progression

– the equivalent chord progression in contemporary Japanese music

IV^△7–V⁷–iii⁷–vi progression

Scott, Richard J. (2003). Chord Progressions for Songwriters. . pp. 216–218. ISBN 0-595-26384-4.

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