Bluegrass Student Union - 1978 International Quartet Champions from Louisville, Kentucky. Bovines - Quartet from Mount Blue High School in Farmington, Maine.  Break Point - 1998 Land O' Lakes district quartet champions from Fargo, North Dakota. Barcode Quartet - Barcode (formerly Voice Male)1998 Dutch barbershop quartet champions. Bravo! - The 2001 Land of Lakes District Quartet Champions. Links to its members chorus and associated organizations. Brothers 4 Tune - An A Cappella quartet from the Netherlands which sings 4 part doo wop, close harmony and barbershop.