The Hilliard Ensemble was a renowned vocal group formed in 1974, known for its performances of early music and contemporary compositions. The ensemble consisted of four male singers who specialized in a cappella singing, often performing works from the Renaissance and Medieval periods, as well as modern pieces by various composers. The group gained international acclaim for its unique sound and innovative interpretations. They collaborated with various artists and composers, contributing to the revival of interest in early music. The Hilliard Ensemble disbanded in 2014, leaving a lasting legacy in the world of classical music.