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"): Zendaya's music career began in 2011 when she released the single "Swag It Out", followed by the single "Watch Me" (with Bella Thorne); the former was released by an independent record label.
Relevant evidence: No