he semi-final of Britain’s Got Beat, and magician Fraser Penman. Also taking to the stage are singer Matty Talent kicks off this Saturday, T Juniosa, drummer Nancy Tilley, comedy with a headline performance songwriter Christy Coysh, aerialist Paul from pop star Alexandra Burke. Nunnari, and acrobatic group The Rafikiz. The former X Factor champion Each act will be vying for one of is set to deliver a tribute to Chaka two coveted spots in the final, with the Wom- Khan, performing “I’m Every overall winner set to claim £250,000 and an” from The Chaka Khan Musical. a performance slot at the Royal…