Andre Bowman – bass
Jim Jonsin – keyboards
Stephen Coleman – string arrangements
Czech Film Orchestra – strings
Vincent Henry – saxophone
Pierre Medor – keyboards
Daniel Morris – keyboards
Nico Muhly – piano, string arrangements, strings
Ariel Rechtshaid – keyboards
Shellback – keyboards
Salaam Remi – bass, drums, guitar, keyboards
Frank Romano – guitar
Aaron Spears – drums, percussion
Usher Raymond IV – primary artist
Rick Ross – featured artist
Luke Steele – featured artist
Rico Love – vocals
Mashanda Huskey – vocals
Max Martin – vocals (background)