Klose was born (as Frida Klose) and died in
Berlin. She lost her father early in life and had to earn her living as a secretary, until a colleague recommended her to the Klindworth-Scharwenka conservatory, where she got a thorough musical education. , c. 1933 Klose made her début in 1926 at the
Theater Ulm in a supporting role of
Emmerich Kálmán's operetta
Countess Maritza. Her next role was Azucena in
Giuseppe Verdi's
Il trovatore. For the next three years Klose sang in Ulm and
Kassel, before joining the
Mannheim National Theatre in 1929. In 1932, Klose went back to Berlin where she was engaged alternately at
Berlin State Opera (1932 to 1949 and 1955 to 1961) and
Deutsche Oper Berlin (1949 to 1958). In addition she was a celebrated guest e.g. at
Vienna State Opera, the
Royal Opera House Covent Garden,
La Scala in Milan,
Sächsische Staatsoper Dresden,
National Theatre Munich,
Hamburg State Opera,
Teatro Colón in Buenos Aires,
La Monnaie in Brussels, in San Francisco, and Los Angeles. From 1936 to 1942, Klose regularly sang at the
Bayreuth Festival every summer, where she became popular especially in the role of Brangäne in
Tristan und Isolde. She also sang at the Richard Wagner-Festival in
Sopot (1935) and the
Salzburg Festival (1949 and 1955). {{Listen|type=music When the great Wagner soprano
Frida Leider gave her farewell concert in Berlin in 1946, Klose was her partner on stage. In 1961, Klose retired from the stage and concentrated fully on her teaching activities. In the summer she regularly gave master classes at the
Salzburg Mozarteum. In 1968, she died suddenly at the age of 69. == Significance ==