"Gaya National Vocal And Instrumental Ensemble of Azerbaijan" (modern Azerbaijani orthography: "Qaya") were an Azerbaijani vocal quartet consisting of Arif Hajiyev, Teymur Mirzoyev, Lev Yelisovetski and Rauf Babayev. Quartet was active from 1961 to 1988. In 1972, the quartet acquired the official status of the state ensemble by the decision of the Soviet Union's government. They sang in multiple languages, including Azerbaijani, Spanish, Polish, Russian and English in their repertoire.
