Before he was the champ, Ali released an album called I Am The Greatest!, but his musical influence is best heard in the songs he inspired.
The renown Texas songwriter has been at it for 40 years, with tales to tell about The Flatlanders and The Clash - that's Joe's Tex-Mex on "Should I Stay or Should I Go?"
He wrote "She Blinded Me With Science" so he could direct a video about a home for deranged scientists.
How a goofy detective movie, a disenchanted director and an unlikely songwriter led to one of the biggest hits in pop history.
"I'll Be" was what Edwin called his "Hail Mary" song. He says it proves "intention of the songwriter is 180 degrees from potential interpretation by an audience."
Harry is Derek Smalls in Spinal Tap, Mark Shubb in The Folksmen, and Mr. Burns on The Simpsons.