Varese Sarabande

Lucas Vidal, Joe Devenney (guitar), LA Font, Danny Bobbe (vocals), Jon Perry (guitar), Greg Katz (bass guitar), Harlow Rodriguez (drums), Cindy Gooden (percussion), Junkie XL, Kilon TeK, Young Wonder

Charles Fox, Seals & Crofts, Eddie Daniels (clarinet), The Harlem String Quartet

Penka Kouneva, Hollywood Studio Symphony, Eimear Noone, Lili Haydn (violin), Sara Andon (flute), Andrew Duckles (viola), Katia Popov (violin), Mike Lang (piano), Ayana Haviv (vocals), Nathan Barr (viol)

Kristina Train, Brian Byrne (piano), Colin Devlin, Eric Rosse (programmer, piano), Mark Browne (bass (vocal)), Michael Carey (guitar), Matt Chamberlain (drums), Andrew Synowiec, Ryan Quigley (trumpet), SIF Orchestra (string quartet)

Marcelo Zarvos, The Chieftains, Bon Iver, Kendra Morris, Ruby Velle & The Soulphonics, Flash Lightnin'

Neal Acree

Fred Steiner, Royal Philharmonic Orchestra

Christopher Lennertz

Nathan Barr, Lisbeth Scott (vocals)

Stephen Warbeck