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