Visit the official site: 4th Impact perform their mentor Cheryls own song - the Girls Aloud hit Sound of the Underground - along with Shirley .\rbr\rbrCopyright belongs to original owner of video.\rbr\rbr4th 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 .\rbr\rbr\rbr\rbrVisit the official site: 4th Impact take on Beyoncès Work It Out from the movie Austin Powers in Goldmember.