Arranged By, Piano [Acoustic], Percussion, Cymbal, Keyboards, Sampler [Samples], Programmed By – Leo ZBacking Vocals – Andrea Sandri, Leo ZFlute, Whistle – Devis MariottiGuitar [Classic], Acoustic Guitar – Angie PassarellaLyrics By – Mauro MalavasiMusic By – Andrea Sandri, Leo ZProducer – Leo Z, Mauro MalavasiProgrammed By [Additional Synth Programming], Drum Programming – Jochem van der SaagRecorded By – Filippo Zecchini, Leo ZTechnician [Piano Tuning And Technician] – Alberto Amendola

Guitar – Ramon StagnaroProducer [Additional Production], Arranged By, Engineer, Programmed By, Sound Designer – Jochem van der SaagWritten-By, Backing Vocals [Background Vocals] – Richard Page

Arranged By – David Foster, Jeremy LubbockLyrics By – Marco MarinangeliMusic By – Luis Enriquez Bacalov*Violin – Joshua Bell

Arranged By [Orchestra], Conductor [Orchestra] – Jorge CalandrelliEngineer – Mark PortmannGuitar – Ramon StagnaroKeyboards, Programmed By – Mark Portman*Percussion – Raphael Padilla*Producer [Additional Production By], Arranged By [Additional Arrangement By] – Klaus Derendorf, Mark PortmannWritten-By – Claudia Brant, Klaus Derendorf, Mark Portmann

Lyrics By – Robin ScoffieldMusic By, Producer [Additional Production By], Arranged By, Keyboards, Programmed By [Keyboards And Synth Programming] – Mark HammondProgrammed By [Additional Synth Programming], Drum Programming – Jochem van der Saag

Coordinator [Production Coordination] – Rich DavisEngineer – Joe WohlmuthLyrics By – Marco MarinangeliMusic By – Josh Groban, Walter AfanasieffProducer, Arranged By, Keyboards, Programmed By [Rhythm Programming] – Walter AfanasieffProgrammed By – Mike SchroffelScore [Scoring Consultant] – Matthew Dellapolla*

Backing Vocals [Background Vocals] – Courtney Blooding, Josh Groban, Marco MarinangeliCo-producer, Arranged By [Orchestra], Programmed By – Paul SchwartzDrum Programming – Jochem van der SaagLyrics By – Frank Musker, Kaballa*Music By, Arranged By – David Foster, Paul SchwartzOrchestrated By [Additional Orchestration By], Conductor [Orchestra] – Chris Boardman

Co-producer, Arranged By – Walter Afanasieff, William RossEngineer [Vocal Engineered By] – Dave Reitzas*Written-By – Lara Fabian, Walter Afanasieff

Arranged By – David FosterCo-producer [Vocals Co-produced By] – Marco MarinangeliEngineer – Alejandro Rodriguez, Felipe Elgueta, Humberto Gatica, Neil DevorGuitar – Dean ParksProgrammed By [Synth Programming] – Felipe ElguetaSynthesizer [Additional Synth] – Robert ManoukianWritten-By – Lucio Dalla

Arranged By [Strings], Directed By [Strings] – Simon HaleCoordinator [Production] – Lynne MaloneDrums – David FallGuitar – Norbert Gallo*Lyrics By, Piano – Josh GrobanMusic By – Eric Mouquet, Josh GrobanProducer, Arranged By, Keyboards – Eric MouquetRecorded By – Pierre JacquotRecorded By [Additional Recording By] – Neil Devor

Arranged By – David Foster, Jeremy LubbockGuitar – Dean ParksMusic By, Lyrics By – Edith Gassion, Geoffrey Parsons, Marguerite MonnotRecorded By [Vocals] – Dave Reitzas*

Arranged By – David FosterBagpipes [Uilleann Pipes] – Eric RiglerChoir – Adam Jackson , Alexandra Brown*, Angela Brown, Debra Gates, Joey Diggs, Mortonette Jenkins, Nita Whitaker, Roy Galloway, Terry Bradford, Wil Wheaton*Drum Programming – Paul SchwartzEngineer [Additional Engineering By] – Dave Reitzas*Programmed By [Synth Programming] – Neil DevorViolin – J'Anna JacobyWritten-By – Brendan Graham, Rolf Lovland*

Coordinator [Production] – Lynne MaloneDrums – David FallGuitar – Norbert Gallo*Producer, Arranged By, Keyboards – Eric MouquetRecorded By [Additional Recording By] – Neil DevorRecorded By, Mixed By – Pierre JacquotWritten-By [Uncredited] – Eric Mouquet, Josh Groban