Geronimo Stilton and his detective friend, Hercule Poirat, investigate when Geronimo receives positive feedback at the Song Festival but fails to sell a lot of CDs.
Not only can Larry the dog talk, he can also sing, but when these unusual talents come to the attention of his family, the public, and dogdom, Larry is faced with problems he never imagined.
At the beginning of seventh grade, Mackenzie is worried--her best friend has moved to France, someone steals her diary, she alienates her two new friends, and it looks like she has lost her chance to win the Teen Sing contest.
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.
When Alfredo, a twelve-year-old choir boy in eighteenth-century Italy, loses his family in a fire, he goes to live with Uncle Giorgio, who he discovers is a sorcerer in control of the fires of Mt. Etna with sinister plans for his nephew.
Nursing hatred for the father who choked her and damaged her voice as a child, seventeen-year-old Alice writes songs she feels she cannot sing and seeks to reconcile her feelings for herself and her father.
Two high school rivals compete in a prestigious singing competition while reflecting on the events that turned them from close friends to enemies the year before.