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