Hilliard Ensemble
Hilliard Ensemble was a British male vocal quartet originally devoted to the performance of early music. The group was named after the Elizabethan miniaturist painter Nicholas Hilliard. Founded in 1974, the group disbanded in 2014.Although most of its work focused on music of the Medieval and Renaissance periods, the Hilliard Ensemble also performed contemporary music, working frequently with the Estonian composer Arvo Pärt and included in its concerts works by John Cage, Gavin Bryars, Giya Kancheli, and Heinz Holliger. Provided by Wikipedia