As far as we can tell, the closest that Mick Jagger ever came to writing about his songwriting/sparring partner Keith Richards came in the song "Live with Me" in 1969: My best friend, he shoots water ...
The Stones and Prince do have a connection, albeit not a successful one, so Richards might have gotten to know Prince just a bit. Prince opened for the Rolling Stones for a couple of days in 1981. The ...