What Makes a Song a Hit?

Alexandria Bettley is a fifteen year old girl. She’s been mute since she was five, ever since her mum left. But when her dad dies, she is forced to move in with her big brother, Sam, who she’s never gotten along with, and his four band mates. How will her shy nature cope with their flamboyant, flirtatious personalities? And what happens when they need to leave for tour?