
Róza Csillag or Rosa Herrmann-Csillag was an Austro-Hungarian mezzo-soprano opera singer.

Irene von Fladung (1879–1965) was an Austrian operatic soprano. Her voice is preserved on a few recordings made with Odeon Records.

Laura Hilgermann was an Austro-Hungarian operatic singer then singing teacher.

Solomiya Amvrosiivna Krushelnytska was a Ukrainian soprano, considered to be one of the brightest opera stars of the first half of the 20th century.

Aloys Pennarini, also spelled Alois Pennarini,, was an opera singer (tenor), opera director and film actor.

Vera Schwarz was an Austrian soprano, known primarily for her operetta partnership with Richard Tauber.

Maria Anna "Mizzi" Zwerenz, married name Marie Guttmann was an Austrian opera singer (soprano), theater and film actress.