Every judging panel needs a little love, and anyone who has tuned into PBS-FM’s The Sound Karlheinz and IanBarrier knows about Ian Parsons’ love affair with music. When he’s not on the airwaves, Ian’s hobbies include musicology and Stockhausen. He brings an encyclopaedic knowledge avant garde music to Improv Idol!, whether composed or improvised. Contestants might be advised to bone up on their Stockhausen trivia to really please this judge; just don’t make any smart alec comments about Cardew*.

(*20th century experimental music joke)