Sorry for the delay, Upgrading to Windows 10 didnt go so well. Dance troupe Siro-A steps up their act with an innovative performance.\n\nTks for watching my video . See u !!.\n\nInnovative Japanese dance group Siro-A electrifies the judges.\n\nActs perform for a chance to perform at the Radio City Music Hall semi-finals.\n\nGolden Buzzer winner and digital dance phenomenon SIRO-A brings the heat in their first live round performance as Howie, Mel B, Heidi and Howard give their .