Producer: Blood - Artist: Justin Bieber - Featuring: J Balvin - Producer: Skrillex - Recording Engineer: Josh Gudwin - Asst. Recording Engineer: Henrique Andrade - Engineer: Chris 'TEK' O'Ryan - Engineer: Henrique Andrade - Recording Engineer: Alejandro Patiño - Mixer: Josh Gudwin - Mixer: Andrew Wuepper - Assistant Mixer: Brandon Harding - Background Vocalist: Trevon Trapper - Background Vocalist: Julia Michaels - Vocals: Justin Bieber