William Walker

Sarah Smith (vocalist), Madalyn Kiewiet (vocalist), Leslie Ellingson (vocalist), Elijah Frank (vocalist), Jason Raetz (vocalist), Lies’l Hill (vocalist), Phoenix Chorale, Christopher Gabbitas

Jennifer Kreisberg, Mathias Kunzli, Mikael Ringquist, Marcus Santos, Alex Sopp, Rhiannon Giddens (bandleader & vocals), Jake Blount, Brooklyn Rider, Shanir Blumenkranz, Marika Hughes, Dana Lyn, Kyle Sanna, Maeve Gilchrist, Michael Nicolas, Johnny Gandelsman, Karen Ouzounian, James Shipp, Nora Brown, Stephanie Coleman, Hanneke Cassel, Yo-Yo Ma (cello), Nicholas Cords, Colin Jacobsen

Kaylee Dykstra, Mary Van Wyk, Connor Engbers, Dordt University Concert Choir, Ryan Smit

Andrea Bocelli (vocalist, piano), Steven Mercurio (stringarranger, recordingarranger, stringsdirector), Voces8 (vocalist), Geoff Lawson (programmer, stringarranger), Markéta Kühnová (vocalist), Cecilia Bartoli (vocalist), Mauro Malavasi (piano), Alison Krauss (vocalist), Paolo Buonvino (piano, programmer), Prisca Amori (concertmaster, violin), Vincenzo Bolognese (violin), Angelo Maria Santisi (cello), Luca Pincini (cello), Gennarino Amato (clarinet), Alice Iannarilli (bassclarinet), Luca Lombardi (flute), Daniel Myskiv (violin), Francesco Negroni (viola), Massimo Ceccarelli (doublebass), Kung Me Lee (cello), Francesco Marquez (cello), Matteo Scarpelli (cello), Claudio Aiello (cello), Rossella Ruini (soprano), Marco Simonacci (cello), Voxart Choir (boysoprano), You Rina (cello), Fabrizio Palma (chorusmaster), Vlastimil Kobrle (violin), Anastasiya Petryshak (violin), CARisMA Guitar Duo (guitar), Marek Špelina (recorder), Carlo Bernini (piano), Czech National Symphony Orchestra, Czech National Symphony Orchestra Chorus Kühn Children's Chorus, Orchestra Italiana Del Cinema

Sarah Smith (vocalist), Madalyn Kiewiet (vocalist), Leslie Ellingson (vocalist), Elijah Frank (vocalist), Jason Raetz (vocalist), Lies’l Hill (vocalist), Phoenix Chorale, Christopher Gabbitas