Visit the official site: 4th Impact perform their mentor Cheryls own song - the Girls Aloud hit Sound of the Underground - along with Shirley .\r
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4th Impact sings their version of Girls Alouds Sound of the Undeground and Shirley Ellis Clapping Song on The X Factor UK 2015 Live Week 2 with the intro .\r
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Visit the official site: 4th Impact take on Beyoncès Work It Out from the movie Austin Powers in Goldmember. but will it be groovy baby?