On this day in 2003 Roger Glover was invited by Warren Haynes joined Gov't Mule on stage as one of many guest bass players to pay tribute to their bass player Alan Woody who had passed away in 2000. They covered the rarely performed. Maybe I’m a Leo Deep Purple track from Machine Head.  Roger Glover says: "I wrote the riff to "Maybe I'm a Leo" after hearing John Lennon's "How Do You Sleep?". I liked the idea that the riff didn't start on the down beat, like 99% of riffs do. Most of the songs on