Credits

Andrea Bocelli: Vocals
John Legend: Vocals
Babyface: Vocals
Peter Erskine: Drums
Jason Gould: Vocals
Josh Groban: Vocals
Walter Afanasieff: Guitar, Bass, Concertina, Producer, Synthesizer, Mandolin, Orchestral Arrangement, Piano, Rhythm Programming
Michael Bublé: Vocals
Adam Ayan: Mastering
Kevin Globerman: Engineer, Pro Tools
Steve Genewick: Assistant Engineer
Kenneth "Babyface" Edmonds: Producer
Chuck Berghofer: Bass
Paul Boutin: Engineer
Teddy Campbell: Drums
Tyler Gordon: Engineer
Renata Buser: Photography
Gregg Dennan: Stage Crew
James Russell: Photography