Artist: 5 Seconds of Summer - Vocals: Luke Hemmings - Guitar: Luke Hemmings - Vocals: Michael Clifford - Guitar: Michael Clifford - Vocals: Calum Hood - Bass Guitar: Calum Hood - Vocals: Ashton Irwin - Drums: Ashton Irwin - Producer: Steve Fitzmaurice - Mixer: Steve Fitzmaurice - Editor: Darren Heelis - Engineer: Darren Heelis - Assistant Mixer: Charles Wong - Mastering Engineer: Bunt Stafford-Clark - Recording Engineer: Kooster McAllister - Engineer: Guy Charbonneau - Asst. Recording Engineer: Tyler McAllister - Engineer: Ian Charbonneau

Artist: 5 Seconds of Summer - Vocals: Luke Hemmings - Guitar: Luke Hemmings - Vocals: Michael Clifford - Guitar: Michael Clifford - Vocals: Calum Hood - Bass Guitar: Calum Hood - Vocals: Ashton Irwin - Drums: Ashton Irwin - Producer: Steve Fitzmaurice - Mixer: Steve Fitzmaurice - Editor: Darren Heelis - Engineer: Darren Heelis - Assistant Mixer: Charles Wong - Mastering Engineer: Bunt Stafford-Clark - Recording Engineer: Kooster McAllister - Engineer: Guy Charbonneau - Asst. Recording Engineer: Tyler McAllister - Engineer: Ian Charbonneau

Artist: 5 Seconds of Summer - Vocals: Luke Hemmings - Guitar: Luke Hemmings - Vocals: Michael Clifford - Guitar: Michael Clifford - Vocals: Calum Hood - Bass Guitar: Calum Hood - Vocals: Ashton Irwin - Drums: Ashton Irwin - Producer: John Feldmann - Mixer: Chris Lord-Alge - Assistant Mixer: Keith Armstrong - Assistant Mixer: Nik Karpen - Engineer: Andrew Schubert - Engineer: Dmitar "Dim-E" Krnjaic - Recording Engineer: John Feldmann - Engineer: Zakk Cervini - Engineer: Colin Brittain - Engineer: Tommy English - Programmer: Zakk Cervini - Programmer: Colin Brittain - Programmer: Tommy English - Programmer: Kenny Carkeet - Programmer: Ago Teppand - Additional Producer: Zakk Cervini - Additional Producer: Colin Brittain - Additional Producer: Tommy English - Editor: Zakk Cervini - Editor: Colin Brittain - Editor: Tommy English - Editor: Chris Qualls - Mastering Engineer: Bunt Stafford-Clark