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