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Brother and sister Joel and Caitlin from Coventry, dad and daughter Mark and Aimee from Aberdeen, and brother and sister Sam and Hannah from Felixstowe compete in the high-tempo music quiz.
Couple Julia and Connor from Edinburgh, sisters Lisa and Tania from Chesterfield, and mum and son Ryan and Andrea from Cambridge compete in the high-tempo music quiz.
Mum and son Tom and Faith from Warrington and two pairs of best friends, Johnny and Scotty from Peterborough and Nicki and Gillian from Glasgow, compete in the high-tempo music quiz.