It started as a challenge from Ken Campbell in a squat but Showstopper! The Improvised Musical grew into a West End sensation. The pair behind it tell allAcross the road from Victoria Station is one of London's longest-running musicals, Wicked. Walk further on, past the history-making hit Hamilton, and you'll find a smaller theatre where a crack squad of performers are putting on their own musical. This one is guaran…
SOURCE: The Guardian at 09:06AM on January 23, 2019