Frank Zappa: Hammersmith Odeon, London

"FRANK ZAPPA is the leader and musical director of the Mothers Of Invention. His performances in person with the group are rare. His personality means that it is best he stay away...for the sake of impressionable young minds who might not be prepared to cope with him. When he does show up he performs on the guitar. Sometimes he sings. Sometimes he talks to the audience. Sometimes there is trouble..."
– Extract from liner note to Freak Out by The Mothers Of Invention, 1966.