Music, Mayhem and a Mezzo are renowned, chart topping record producers by day, working with everyone from Alfie Boe to Pete Townshend to the Royal Philharmonic Orchestra. Watch them squander their musical talents on an hour of comic songs, mad musical mashups (who knew Coldplay and Debussy were perfect duet partners?), piano acrobatics, and just a smattering of operatic high jinx; not to mention the little known house version of Jingle Bells!