Musicians and vocals • Gary Barlow – vocals, additional programming (3), acoustic piano (8), keyboards (8, 10, 12, 14), programming (8, 10, 12) • Ryan Carline – keyboards (1, 2, 5–13), programming (1, 2, 3, 5, 7–10, 12, 13), drum programming (1, 11), acoustic piano (3, 8, 12), electric piano (4, 8), synthesizers (8), bass (12, 14) •
Malcolm Edmonstone – acoustic piano (1, 2, 4, 7, 9, 13), string arrangements and conductor (2, 4, 8, 13), big band arrangements and conductor (9), orchestra arrangements and conductor (9, 11) •
James Wiltshire – keyboards (2, 4, 10), programming (2, 4, 10), drum programming (3), bass (4) • Andres Munera – programming (3) • Andrés Guerrero Ruíz – programming (3) •
Johan Carlsson – acoustic piano (3), programming (3), electric guitar (3),
baritone guitar (3), drum programming (3), percussion (3), backing vocals (3) • Fernando Toban – programming (3), electric guitar (3), 12-string acoustic guitar (3) • Marlow Rosado – acoustic piano (6) • Daniel K. Mandelman –
organ (6) • Michael Freeman – keyboards (8, 10), programming (8, 10) •
Chilly Gonzales – acoustic piano (11), keyboards (11) • Tommy Emmerton – guitars (1, 9) • Justin Quinn –
nylon guitar (3),
tres (3), guitars (8) • Loz Garratt – bass (1) •
Guy Pratt – bass (2) • Jo Nichols – bass (5) • Luis Guerra – bass (6) •
Avishai Cohen – bass (9) •
Ralph Salmins – drums (1) • Brad Webb – drums (2, 4, 10) • Michael Longoria – drums (6) • Doug Harper – drums (9) • Lewis Wright – percussion (1),
vibraphone (1) •
Ash Soan – percussion (2, 3, 10, 12) • Alberto Lopez – percussion (6) • Camilla Pay – harp (5, 9) •
Carlos Sosa – saxophones (6), horn arrangements (6) • Raul Vallejo – trombone (6) • Fernando Castillo – trumpet (6) •
Ibrahim Maalouf – trumpet (8) • Ben Edwards – trumpet (12) • Stella Le Page – cello (11) • Evan Jolly – big band arrangements (1, 2, 10), string arrangements (1) • Tom Richards – big band arrangements (1, 4, 7, 10, 13), string arrangements (1, 7), big band conductor (2, 4, 13), brass arrangements and conductor (3, 8, 11) • Angela Ricci – backing vocals (1, 2, 10) • Hayley Carline – backing vocals (2, 4) •
Michael Bublé – vocals (3) •
Sebastián Yatra – vocals (3) •
Peter Carlsson – backing vocals (3) •
Beverley Knight – vocals (6) •
Alesha Dixon – vocals (12), backing vocals (12) •
James Corden – vocals (13) •
Barry Manilow - piano (17)
Technical and design • Ryan Carline – engineer, mixing (5, 7, 8, 9, 11–14) • John Hanes – mix engineer (3) •
Mark "Spike" Stent – mixing (1, 2, 4) • Matt Wolach – mix assistant (1, 2, 4) •
Serban Ghenea – mixing (3) • Charlie Kramsky – mixing (6) • Kevin Grainger – mixing (10) •
Randy Merrill – mastering at Sterling Sound (New York City, New York) • Studio Fury – art direction, design • Benjamin Lennox – photography == Charts ==