Barnum

Martha Walvoord (violin), Timothy Angel (violin), John Burton (cello), Jack Unzicker (double bass), Linton Powell (organ), Sooyun Fugler (piano), Emmanuel Flores (djembe) University of Texas at Arlington a Cappella Choir, Karen Kenaston-French

Antiphon, Matthew Cann

Choral Arts, Robert Bode

Singknaben der St. Ursenkathedrale Solothurn, Andreas Reize

Janna Ryan, James Pace ECHS Varsity Women's Choir, William Armour

Darrin Hicks (drums), Max Ary (tenor), Nidhish Lokesh (tenor) Flower Mound High School Men's Chamber Choir, Mark Rohwer

Tyler Herrod (tenor), Nathan Ratliff (piano) Hebron High School A Cappella Choir, Rachel Forester

LuAnn Lane (piano) Texas All-State Small School Mixed Choir, Janwin Overstreet-Goode

Ron Petti (piano), Joshua Dennis (tenor), Jake Taylor (shaman drum), Casey Jones Parrish (baritone), Christina Guenther (flute), Susan Nelson (bassoon), Ryan Jackson (oboe) Stephen F. Austin State University A Cappella Choir, Tim King

Renetta Frisque (piano), Robert Hunt (piano) Richland High School Chorale, Sam Houston State University Chorale, Patricia Neighbors, Allen Hightower

Lee D. Thompson (piano), Anneliese Johnson (soprano), Emily Herivel (soprano) Choral Arts, Robert Bode

Drake University Wind Symphony, Robert Meunier, Vince Kenney

Serena Chin (piano), Brianna Valencia (soprano), Elizabeth Macisaac (soprano), Andrew Larson (baritone) University of Washington Chamber Singers, Geoffrey Boers

Kristin Bugge Midthjell, Tove Ramlo-Ystad (chorusmaster), Karen Johanna Kviseth, Ingvild Winsnes Flølo, Siril Stette Uhlen, Ingvild Barstein, Cantus

Andy Anker (percussion), William Scharnberg (horn), Susan Frazier (horn), Eric Jones (violin), Louise Rossi (violin), Lamar Smith (viola), Julie Blackstock (cello) Creekview High School A Cappella Choir, Tara Sikon

Bill Buhr (piano), Constance Lyda (piano) Illinois Honors Chorus, Illinois Combined Honors Organizations, Illinois All-State Chorus, Edith A. Copley, Paul Rardin

Antiphon, Matthew Cann

Joseph Causby (piano) Texas Two-Year College All-State Choir, Hilary Apfelstadt

Acton Middle School Varsity Treble Choir, Cook Middle School Varsity Treble Choir, Trinity Springs Middle School Varsity Treble Choir, York Junior High Chamber Choir, Spillane Middle School Tenor/ Bass Choir, Trinity Springs Middle School Chamber Mixed Choir, Bridgeland High School Chorale, Granbury High School Varsity Mixed Choir, Montgomery Madrigals, Grand Prairie Fine Arts Academy Tenor-Bass Singers, Lake Creek High School Chorale Women, Montgomery High School Chorale Women, Randall Walters, True Hernandez, Clinton Hardy, Chaz Robilotto, Nicole Bouley, Christopher Fiorini, Kendra Fisher, Heather Orr, Joel Duarte, Cameron Carnley

Bill Zauner (bass), Craig Griffith (conga), Beth Garza (tambourine), Scott Millichamp (horn) Robert E. Lee High School Chorale, Paula Edwards

Voices of Concinnity, Sarah Kaufold (director)