I-iii-IV progression

Definition

The I-iii-IV progression refers to a chord progression commonly used in popular music where the tonic (I), mediant (iii), and subdominant (IV) chords are played sequentially.

Related terms

Chord Progression: A series of chords played in succession that forms the harmonic foundation of a piece of music.

Mediant Chord: The mediant chord is built on the third scale degree of a major or minor key.

Subdominant Chord: The subdominant chord is built on the fourth scale degree of a major or minor key.