“Gaya“ (Azerbaijani: Qaya) were an Azerbaijani vocal quartet consisting of Arif Hajiyev, Teymur Mirzoyev, Lev Yelisovetski and Rauf Babayev. Quartet was active from 1972 to 1988. They sang in multiple languages, including Azerbaijani, Spanish, Polish, Ukrainian, Russian and English in their repertoire. Gaya was formed in 1961, when Rauf Hajiyev invited musicians to work in Azerbaijan State Estrada Orchestra. Such composers as Tofig Guliyev, Fikret Amirov, Rauf Hajiyev, Vasif Adigozalov, Faraj Garayev and Tofig Babayev worked with “Gaya”.