Opium String Quartet (OSQ) was formed in 2004.
Three months later the Quartet made a critically acclaimed debut at the Jerzy Waldorf Festival in Radziejowice. The OSQ is now firmly established on the Polish chamber music scene and regularly performs in the most prestigious venues in Poland and music festivals such as the Composer Portaits, Warsaw Musical Gatherings, Chopiniana Festival, Fabryka Trzciny, … and Lutoslawski, Chain IX – Lutoslawski Festival, Warsaw Jewish Festival „Singer's Warsaw”, Festival of Stars „Forte-Piano” in Torun.