https://www.musical-u.com/learn/listening-for-ii-v-i-chord-progressions/
Listening for ii-V-I Chord Progressions
A chord progression is quite the powerful musical tool; the way in which a musician wields a series of chords can make multiple songs with the same progression sound radically different from one another.
One of these chord progression all-stars is the well-loved ii-V-I or ii-V7-I progression.
Though overwhelmingly popular in jazz, you will also find this chord progression in pop music, country, rock, and even R&B.
Let’s learn the mechanics of this progression, hear it in action, and look at how to use it in songwriting.