As the child of two musicians, twelve-year-old James has no interest in music until he discovers a portal to seventeenth-century London in his uncle's basement, and finds himself in a situation where his beautiful voice and the fact that he is biracial might serve him well.

"Twelve-year-old Delphernia Undersea has spent her whole life in the cloister, hidden from sea and sky by a dome of stone and the laws of Blightsend. Outside, the Masters - all boys and men - play music. Inside, the turnaway girls silently, silently make that music into gold. Making shimmers, Mother Nine calls it. But Delphernia can't make shimmer. She would rather sing that stay silent. When a Master who doesn't act like a Master comes to the skydoor,...

The Nightingales are in a serious funk. Bradley Academy's all-girl a cappella group used to be the pride of the sunshine state, but the Nightingales have recently fallen out of harmony. Best friends and co-captains Lidia Sato and Sydney Marino haven't been speaking ever since a boy came between them. And not just any boy-none other than Griffin Mancini, the lead singer of Bradley Academy's smug all-boy a capella group, the Kingfishers. The Nightingales...