Primary (Cadential) Progression

I-IV-V-I

progression

At a Glance

Formula:
I-IV-V-I

Illustrated in C major.

Diagram type

I – IV – V – I

I: C×321
IV: F123411
V: G213

What It Is

Tonic, subdominant, dominant, tonic - the three primary chords of a key in their most basic cadential order.

How It Functions

Establishes and confirms the key by moving away from and back to the tonic.

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