Chord Progression

Chord progression is a sequence of chords played in a specific order to create harmony in a piece of music.

Popular chord progressions include:

• I–IV–V (145): e.g. G–C–D Common in rock, blues, and country. Example: “La Bamba” by Ritchie Valens.

• I–V–IV (154): e.g. G–D–C Used in pop and rock ballads. Example: “Brown Eyed Girl” by Van Morrison.

• I–vi–ii–V (1625): e.g. G–Em–Am–D Standard in jazz and ballads, providing smooth voice leading. Example: Jazz standards like "Autumn Leaves."

• I–vi–IV–V (1645): e.g. G–Em–C–D Found in doo-wop and early pop music. Example: “Stand by Me” by Ben E. King.

• I–V–vi–IV (1564): e.g. G–D–Em–C Extremely popular in modern pop and rock. Example: “Let It Be” by The Beatles and countless contemporary hits.

12 Bar Blues

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