When was the song that is usually playing during the Mannequin Challenge released?
Mannequin Challenge: The Mannequin Challenge is a viral Internet video trend where people remain frozen in action like mannequins while a moving camera films them, usually with the song "Black Beatles" by Rae Sremmurd playing in the background. Black Beatles:  It was released on September 13, 2016 by EarDrummers and Interscope Records as the third single from their second studio album "SremmLife 2".
September 13, 2016