Today Wicked travels the streets to explore street culture from Los Angeles to London. We travel to Hollywood to meet Sean Forbes, America's hottest deaf recording artist performing his latest hit 'Let's Mambo' at the world famous House of Blues alongside Marlee Matlin the deaf Oscar winning actress for a benefit event produced by and supporting the Greater Los Angeles Agency on Deafness, Inc. (GLAD). We also got VIP tickets to the first ever UK gig of rap legend Signmark. Travelling from Finland we follow this rap sensations preparations and rehearsals for the big event where we give you a front seat view of an unmissable celebration of urban culture.