Arts Desk A Python Set Loose In The London Coliseum WRTI Your Classical and Jazz Source Published July 1, 2014 at 2:31 PM EDT Facebook Twitter Email Print Listen Tenor Michael Spyres sings the title role in Berlioz's Benvenuto Cellini. Monty Python meets opera? That’s exactly what’s happened in London last week where the Philadelphia Inquirer’s David Patrick Stearns saw how smart vulgar humor can be.