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.
Alois Pernerstorfer Alois Pernerstorfer (3 June 1912, Vienna – 12 May 1978, Vienna) was an Austrian bass-baritone