Miss Ann is a way of referring to a special type of chord progression in music that is often used in rock and roll and blues songs. It's named after a common lyric in songs that use this progression – "Oh, Miss Ann, you look so fine" – and is made up of three chords that are played in a specific pattern.
The chords used in Miss Ann are usually the I, IV, and V chords of a major key. In simpler terms, the I chord is the one that's named after the key you're playing in, like a C chord in the key of C. The IV chord is the one built on the fourth note of the scale, like an F chord in the key of C. And the V chord is built on the fifth note of the scale, like a G chord in the key of C.
The pattern for playing Miss Ann goes like this: you start with the I chord and play it for a certain amount of time, then switch to the IV chord and play that for the same length of time, then switch to the V chord and play it for the same length of time as well. Then you go back to the I chord and start the whole sequence over again.
This pattern creates a sense of tension and release in the music, and it's really catchy and fun to listen to. Many rock and roll and blues songs use Miss Ann in some form, and it's become a staple of these genres. So the next time you hear a song with those lyrics or that familiar chord progression, you'll know it's Miss Ann at work!