Niles

Steve Nelson (vibraphone), Eric Reed (piano), Rodney Green (drums), Barak Mori (double bass), Paula West (vocals), Erin Bode (vocals), Eric Reed (organ)

ArtNova Project String Quartet

Richard Dyer-Bennet (leadvocalist)

Woody Guthrie, Cisco Houston (leadvocalist), Sonny Terry, Pete Seeger, Huddie "Leadbelly" Ledbetter (guitar), Josh White

Hot Club of San Francisco, Pazzo and the Hotheads, Cool Yule Philharmonic, Duo Gadjo, Ivory Club Boys, Cool Yule Philharmonic All-Stars, Jazz Hot Trio, Le

John Jacob Niles (leadvocalist)

Jack Mitchener (organ), Patrick A. Scott (organ), Christina Smith (flute)

Cathedral Choir of St. Philip Atlanta, Cathedral Schola of St. Philip Atlanta

Charles Kennedy, Allegra Lilly, Evan Haywood, Michael Lenz, Sam Fink, Aaron Lewison, Ahren Rehmel, Mikhail Ognenovski, Brendon Schramm, Boychoir of Ann Arbor, The Boychoir of Ann Arbor Men's Choir, Thomas Strode

Bob Ross (leadvocalist)

Timberdale Brass and Tyler Weakland, Timberdale Brass, James Jordan, Westminster Concert Bell Choir, Kathleen Ebling Shaw, Olivia Dunleavy, Ashley Reinhardt, Robert McCormick, Westminster Chapel Choir, Alicia Brozovich, Megan Gallagher, Westminster Alumni Choir, Westminster Symphonic Choir, Devin...