Bio: Nicolai Ghiaurov (or Nikolai Gjaurov, Nikolay Gyaurov, Bulgarian: Николай Гяуров) (September 13, 1929 – June 2, 2004) was a Bulgarian opera singer and one of the most famous basses of the postwar period. He was admired for his powerful, sumptuous voice, and was particularly associated with roles of Mussorgsky and Verdi
