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.
Solomiya Krushelnytska Solomiya Amvrosiivka Krushelnytska (Ukrainian: Соломі́я Амвро́сіївна Крушельни́цька ; September 23, 1872 — November 16, 1952) was a Ukrainian soprano, considered to be one of the brightest opera stars of the first half of the 20th century.