Dick Rowe of Decca Records turned The Beatles down after they did an audition saying "groups with guitars are on their way out".Jim Denny of The Grand Ole Opry told Elvis Presley he should "go back to driving a truck" after his first and only appearance on the show.Bob Dylan played harmonica on a Harry Belafonte album. Pete Townsend played harmonica on Little Millies "My Boy Lollipop".Rod Stewart sang backing vocals on "Hi Ho Silver Lining" by The Jeff Beck Group.Mick Jagger sang backing vocals on "You're So Vain" by Carly Simon.Paul McCartney produced both Those Were The Days by Mary Hopkins and I'm The Urban Spaceman by The Bonzo Dog Doo Dah Band. John Lennon produced the album "Pussycats" for Harry Nielsen. Alan Klein managed both The Beatles and The Stones at different times.Jimi Hendrix, Janis Joplin and Jim Morrison all died within a year and all before the age of 30.Leonard Cohen spent the night with Joplin in The Chelsea Hotel where years later Sid Vicious reportedly murdered his girlfriend.Buddy Holly,Richie Valens, J P Richardson, Rick Nelson,John Denver,Aliyah all died in plane crashes.David Bowie called his son Zowie and Marc Bolan called his son Rolan.