Rosa Lamoreaux, Washington National Cathedral Madrigal Singers, Chester Warner, Gleb Drobkov, Vana Derderian, James Litton, 윌리엄 심스, Blount Stewart, Erik Suter, Washington National Cathedral Choir, members, Morgan Whitmire, Christine Buras, Scott Hanoian, Peter Thompson, 클로드 베니뉴 발바스트르, Elizabeth Robinson, Joanna Dabrowska, Justin Godoy, Brent Flinchbaugh, St. Albans School Madrigal Singers, Charlotte Woolley, William Lockhart
