FERARU T. INNOVATIVE SOUND EFFECTS AND ELEMENTS OF MUSIC NOTATION IN GEORGE CRUMB’S “BLACK ANGELS” FOR ELECTRIC STRING QUARTET. Studia UBB Musica [Internet]. 2013 Dec. 30 [cited 2025 Feb. 22];58(2):65-72. Available from: https://studia.reviste.ubbcluj.ro/index.php/subbmusica/article/view/8843