Sixth-grader Emmy tries to find her place in a new school and to figure out how she can create her own kind of music using a computer.

At night when everyone else is asleep, one artist sits awake--pencil in hand, stuck. Lenny is a composer, but this evening, no music floats from his head. Then as night breaks into dawn, Lenny's cat, Pipo, begins lapping milk. Lick lick lick. Birds yawn awake, singing in the trees. Tweet tweet! A bike bell tings on the street below. Suddenly, Lenny notices a rhythm to the world around him. He pulls on his coat and walks through the city to write down...