Here are some album covers with circle motifs, or songs prominently featuring the circle. You figure it out.
High Wolf-Free Your Energy Field
A Sunny Day In Glasgow-Daytime rainbows
Albert Lee-Too Much of Nothing
Cut Copy-Blink And You’ll Miss A Revolution
Patti Smith-Changing Of The Guards
I guess I’ve realized that the circles, represent life, change, flow, lps, cds, dvds, and oh yeah holes…transitions or perhaps the earth and stars.