Artist: 5 Seconds of Summer - Producer: Andrew Goldstein - Producer: Andrew Wells - Mixer: Mark 'Spike' Stent - Assistant Mixer: Michael Freeman - Guitar: Luke Hemmings - Guitar: Andrew Goldstein - Guitar: Andrew Wells - Guitar: Michael Clifford - Bass Guitar: Calum Hood - Keyboards: Andrew Goldstein - Keyboards: Andrew Wells - Programming: Andrew Goldstein - Programming: Andrew Wells - Vocals: Luke Hemmings - Vocals: Calum Hood - Vocals: Ashton Irwin - Vocals: Andrew Goldstein - Additional Vocals: Andrew Goldstein - Engineer: Andrew Goldstein - Editor: Andrew Goldstein - Engineer: Andrew Wells - Editor: Andrew Wells - Mastering Engineer: Chris Gehringer - Re-Mixer: Tritonal