Phrases

Commonly phrases are 4 measures long and end with a cadence.

The most common types of phrases are:

Authentic Cadence

I

(I) - V

I or vi

I

pre-dominant

(ii or IV)

(I) - V

I or vi

I

Half Cadence

I

(I) - V

I

pre dominant (ii or IV)

In Minor iv6 –V is called a Phrygian cadence)

(I) - V

Plagal Cadence

I

IV

I

Half Plagal Cadence

I

IV

Common extensions of I:

I - vi

I-I6

I - vii°6 - I6

I - V - I

I - IV - I

I - iii (progressing to IV)