Shakespeare: How do I compare thee to hip-hop?

guardian.co.uk: "In a community hall in Hoxton, London, a small piece of alchemy is taking place. A group of teenagers who only minutes before were fidgeting with their mobile phones, are up on stage reciting one of Shakespeare's best known sonnets in rap. It's on a damp spring morning that they're comparing thee to a summer's day, but how did they get here?"