- Dr. Melissa Plamann, Christopher M. Cock, Valparaiso University Chorale, Valparaiso University Chamber Orchestra
- St. Ignatius High School Men’s Chorus, Jason Falkofsky
- Charlotte Woolley, William Simms, Blount Stewart, Claude-Bénigne Balbastre, William Lockhart, James Litton, Rosa Lamoreaux, Washington National Cathedral Madrigal Singers, Chester Warner, Washington National Cathedral Choir, members, Morgan Whitmire, Christine Buras, Scott Hanoian, St. Albans School Madrigal Singers, Peter Thompson, Gleb Drobkov, Vana Derderian, Justin Godoy, Erik Suter, Elizabeth Robinson, Joanna Dabrowska, Washington National Cathedral Choir, Brent Flinchbaugh
- Gerry Stacy, Lara Iglesias-Cox, Erik Suter, Washington Symphonic Brass, Washington National Cathedral Choir, Mac Lambert, Roger Isaacs, Christine Buras, Lyon Stewart, Scott Hanoian, Charlotte Woolley, Michael McCarthy