Perfect Authentic Cadence

Definition

A perfect authentic cadence (PAC) is a harmonic progression consisting of V-I chords where both chords are in root position, ending on the tonic (I) chord. It creates a strong sense of resolution and finality.

Related terms

Plagal Cadence: Also known as the "Amen" cadence, it consists of IV-I chords. It has a gentler sound compared to the perfect authentic cadence.

Half Cadence: A musical phrase that ends on V instead of resolving to I. It leaves listeners hanging, creating an incomplete feeling.

Deceptive Cadence: Instead of resolving to I as expected, this cadence surprises listeners by resolving to another unexpected chord.