Complex sentence: On August 21,2015, Chris revealed that his new single would be called "Sections" featuring Ty Dolla $ign (produced by DJ Mustard), and the single would be released for his next mixtape.
Split into simpler sentences: On August 21,2015, Chris announced that he will be releasing his new single, called "Sections" featuring Ty Dolla $ign, and would also be produced by DJ Mustard. He also announced that the single would be released for his next mixtape.