诺瓦克四重奏组 Novák Quartet

Czech string quartet ensemble, named after the composer Vítězslav Novák. Originally founded in 1946 as Hába-Quartett by Czech violinist Dušan Pandula; had to be renamed due to pressure from the communist regime in the 1950s.

From:https://www.discogs.com/artist/2612968-Nov%C3%A1k-Quartet