Cheap tickets for Shrek the Musical are available at http://wos.im/ShrekTix The West End cast of Shrek the Musical perform "I'm a Believer", a song made famous by The Monkees in 1966. The song has sold more than 10 million copies worldwide! Join everyone's favourite green ogre Shrek and his loyal steed Donkey, as they set off on an adventure to rescue the beautiful Princess Fiona from her tower, guarded by a fire breathing love-sick dragon. Add a wannabe King with a height complex, a bunch of fairytale superstars, and a biscuit with attitude, and you've got this year's must see new show, Shrek the musical London. With all new songs, and an old favourite in 'I'm a Believer', Shrek musical London brings to life the film's cast of characters and the accompanying subversive fun. This new stage musical is based on the story and characters from the Oscar-winning DreamWorks Animation film Shrek, the first chapter in the much loved series of irreverent fairy tales. Shrek the musical in London opens in May 2011 at Theatre Royal Drury Lane with principal cast including Nigel Lindsay, Amanda Holden, Nigel Harman and Richard Blackwood.