Question: What is the name of the American actor, director, producer, and singer songwriter who features on the album Disneymania 5 with 3 other stars from 'High School Musical?
Sentence (from "High School Musical (book series)"): As of August 2007, the novel has sold more than 4.5 million copies with 1 million copies of the novel's follow-up, "High School Musical 2: The Junior Novel", being shipped to American retailers.
Relevant evidence: No