Which Russian opera singer with a basso profundo vocal range died April 12, 1938?
Basso profondo Basso profondo (Italian: "deep bass"), sometimes basso profundo or contrabass, is the bass voice subtype with the lowest vocal range.
Georgi Belev Georgi Belev (Bulgarian: Георги Белев ) (April 13, 1908 – February 16, 1966) was a Bulgarian opera singer. He was born on 13 April 1908 in Tsaribrod, Bulgaria (today Dimitrovgrad in Serbia).