The song titled "On the Rooftop" (often grouped with "What's a Kiss" and "Perturbed Pixie") is an instrumental track from the 1953 Disney
While most Peter Pan songbooks focus on "The Second Star to the Right" or "Following the Leader," the Hal Leonard Peter Pan Anthology includes instrumental interludes. Look for the "Flight to Neverland" suite, which contains the "On the Rooftop" motif.