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