Frank Zappa had his faults.He was prone to superciliousness, rather than soulfulness, and to sexism. He urged us to Freak Out but was a control freak himself,his music tightly scripted, his co-musicians mere
'trained monkeys'. After he abruptly broke up the Mothers Of Invention his music descended into decades of mostly uninteresting jazz-rock blather and pointless soloing. However, Alex Winter’s documentary is wholly captivating.