Pro Organo

Michael Smith (singer), Adam Charnley (singer), Ryan Mariotti (singer), Ryan Carlin (singer), Matthew McDonnell (singer), Patrick Quigley (singer), Yogeld André (singer), Patrick Parks (singer), Justin Gagnon (singer), Zachary Gustafson (singer), The Notre Dame Glee Club, Daniel Stowe

Diane Meredith Belcher (pipe organ), Julie Campbell-Lang (soprano), James Peebles (tenor), John Ayer (pipe organ), Darren Raley (baritone), Chad Dawkins (boy soprano), Memphis Chamber Choir, Memphis Boychoir

Ray Cornils (pipe organ)

Kalle Toivio

Frederick Hohman

Simon Nieminski (pipe organ)

Choir of Shadyside Presbyterian Church, Pittsburgh, Pennsylvania, Margaret Ross Mehl and John Walker, John Walker, Claudia Benack and Kevin Gruden, Claudia Benack, Kevin Gruden, XiuRu Liu and Kevin Gruden, XiuRu Liu, Randolph Kelly, Gretchen Van Hoesen, John Walker and Curt Scheib, Curt Scheib, John...

Timothy Smith

Choir of the Church of the Incarnation, Dallas, Texas, Kevin M. Clarke and Richard Haigh, Richard Haigh, Kevin M. Clarke, Richard Haigh and Jason Awbrey, Jason Awbrey, Richard Haigh and Katrina Burggraf-Kledas, Katrina Burggraf-Kledas

Choir of the Church of the Incarnation, Dallas, Texas, Kevin M. Clarke and Anthony Pinel, Anthony Pinel, Kevin M. Clarke and Keith Franks, Keith Franks, Kevin M. Clarke