Artist: 5 Seconds of Summer - Vocals: Ashton Irwin - Vocals: Calum Hood - Vocals: Luke Hemmings - Vocals: Michael Clifford - Drums: Ashton Irwin - Producer: Ricky Reed - Programming: Ricky Reed - Guitar: Ricky Reed - Bass Guitar: Ricky Reed - Bass Guitar: John Ryan - Additional Vocals: John Ryan - Additional Vocals: Teddy Geiger - Additional Vocals: Ammar Malik - Engineer: Ethan Shumaker - Engineer: John Delf - Mixer: Manny Marroquin - Assistant Mixer: Chris Galland - Assistant Mixer: Ike Schultz - Mastering Engineer: Chris Gehringer