- University of Kentucky Men’s Chorus & Dr. Jefferson Johnson
- Kamér & Māris Sirmais
- Kamer, Maris Sirmais, Gidon Kremer & Marta Sudraba
- Riverside City College Chamber Singers & John Byun
- Calvin College Alumni Choir & Pearl Shangkuan
- Martin High School Chamber Singers, Kay Owens & Betsy Clark
- Mt. San Antonio College Chamber Singers & Bruce Rogers