Luke Hemmings - lead vocals, guitar
Michael Clifford - lead guitar, vocals
Calum Hood - bass guitar, vocals
Ashton Irwin - drums, vocals, additional keyboards
Produced and recorded by John Feldmann (1,2,7,8,11)
Produced by The Monsters and Strangert and John Feldmann (3,8)
Recorded by Stefan Johnson and John Feldmann Engineered, programmed, additional production and editing by Zakk Cervini and Matt Pauling Assisted by Allie Snow and Luke Shrestha Assistant mixer: Cian Riordan and Justin Long
Produced and recorded by Mike Green (4,6)
Assistant mixers: Cian Riordan and Justin Long Assistant recording engineers: Will McCoy, Kyle Black, Michael Eckes Programming and additional instrumentation by Mike Green Programming and additional instrumentation on (6) by Nico Stadi
Produced and David Hodges (5)
Programming by David Hodges Assistant mixers: Cian Riordan and Justin Long Engineered by Chad Copelin Assisted by Jake Scott and Michael Eckes Additional guitars by Steven Solomon
Strings arranged and conducted by Nick Ingman (7,8,11,14)
String contractor: Isobel Griffiths Assistant string contractor: Med Veale String leader: Everton Nelson
Additional programming on (8) by Ago "Sethh" Teppand Additional programming and assistance on (11) by Zien Garcia Additional background vocals on (13) by Bonnie McKee Sarah Hudson Guitar arrangement and additional strings on (14) by Matt Pauling Additional engineering on (14) by Ben Thackeray
All tracks mixed & mastered by Eric Valantine
2015 (Hi Or Hey Records/Capitol Records 0602547642936 (86) CD (EU/PL) (53:08) 2015 (Hi Or Hey Records/Capitol Records 4753106) CD,dix (EU)
2015 (Hi Or Hey Records, Capitol Records 4753191) LP (EU)
2015 (Hi Or Hey Records/Capitol Records 4753104) CD (EU/Indonesia)
2015 (Hi Or Hey Records/Capitol Records B002398502) CD,dix (US)
2015 (Capitol Records UICC-10022) CD (JAP)
