Question: Who composed the official debut single of the singer who signed a major record deal with Hollywood Records on August 8, 2012, and started recording songs for her debut album on August 12, 2012?
Sentence (from "Zendaya"): She signed a major record deal with Hollywood Records on August 8, 2012, and started recording songs for her debut album on August 12, 2012.
Relevant evidence: Yes