https://www.musical-u.com/learn/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 the most loved chord progression is the ii-V-I or ii-V7-I progression. Let’s learn the mechanics of this progression, hear it in action, and look at how to use it in songwriting.
https://www.musical-u.com/learn/listening-for-ii-v-i-chord-progressions/