Kremer studied singing with W. Fuhr in Wiesbaden and Giuseppe Borgatti in Milan.
Kremer made his debut in 1924 at the Staatstheater in Kassel. He stayed there until 1927.
1927–29, he sang at the Staatstheater in Wiesbaden, then moved to the Staatsoper Dresden in 1929.
In Dresden, he took part in several world premieres of Richard
Strauss operas: Arabella (as Matteo On July 1st, 1933 with Viorica Ursuleac, Margit Bokor, Friedrich Plaschke, Alfred
Jerger, Camilla Kallab, Kurt Böhme, and Clemens Krauss conducting), Die schweigsame Frau (as Henry Morosus on June 24, 1935
with Friedrich Plaschke, Helene Jung, Mathieu Ahlersmeyer, Maria Cebotari, Erna Sack, Kurt Böhme and Karl Böm
conducting) and Daphne as Leukippos on October 15, 1938 with Sven Nilsson, Helene Jung,
Margarete Teschemacher, Torsten Ralf, and Karl Böhm conducting).
He stayed in Dresden until 1940.
From 1940 to 1943, he was engaged at the Theater des Volkes in Berlin.
At about the same time, he made guest appearances at the German Theatre Oslo (1941–1944).
From 1948 to 1956, he sang at the Staatstheater in Wiesbaden. His farewell was in 1956 as Manrico.
He still appeared as a guest at smaller German opera houses until 1960.
Kremer made guest appearances in
Amsterdam (Die Meistersinger von Nürnberg at the Stadsschouwburg on May 7, 1931 as David
with Jacques Urlus, Delia Reinhardt, Lydia Kinderman, Rudolf Bockelmann, Emanuel List, Ludwig Ermold,
Desző Ernster with Fritz Busch conducting; Arabella at the Stadsschouwburg on November 29, 1934 Viorica Ursuleac, Margit Bokor,
Alfred Jerger, Berthold Sterneck, Camilla Kallab with Richard Strauss conducting),
at the Staatsoper Berlin (1933), at the Festival of Zoppot (1935, David), at the Wiener Staatsoper (1937 (Ottavio on May 31), 1939 (Matteo on January 11)),
at Covent Garden (1934 in the first English performance of Arabella), at the Teatre del Liceu Barcelona (1935), at the Théâtre de la Monnaie Brussels (1939), at the Wiener Volksoper
(1942), at the operas of Nice and Geneva;
and from 1933 to 1938 at the Bayreuth Festival: David (1933–34), Vierter Knappe (Parsifal 1936–38),
Junger Seemann/ Hirt (Tristan und Isolde 1938), Erster Edler (Lohengrin 1936),
and Froh (1933/34/36/37/38).
Kremer was an estimated concert and oratorio singer (Evangelist in the Passions of J. S. Bach) and later worked also as director.
He took part in a number of further premieres of operas: 1926 in Kassel as Orpheus in Orpheus und Eurydike by Krenek,
1930 in Dresden in Lord Spleen by Mark Lothar, 1932 in Dresden in Mister Wu by Eugen d'Albert, 1933 in Dresden in
Münchhausen by Mark Lothar, 1935 in Dresden in Der Günstling by Rudolf Wagner-Régeny (title role), 1936 in
Dresden in Der verlorene Sohn by Robert Heger, 1938, again in
Dresden, in Die Wirtin von Pinsk by Richard Mohaupt, 1943 at the Berlin Theater des Volkes in the operetta Der liebe Augustin
by Josef Rixner. He sang in 1928 in Wiesbaden in the first German performance of F. Alfano's Madonna Imperia.
His repertory included: Tamino, Ottavio, Duca, Radames, Königssohn
in Engelbert Humperdinck's Königskinder, Sally in Romeo und Julia auf dem Dorfe by Sutermeister, Tambourmajor in Wozzeck
and Komponist in Jonny spielt auf by Krenek, Froh, Matteo, Manrico, Loge, ...
But in spite of all the main roles he sang, his real importance was as a comprimario.
This talented singer showed his versatility in his operetta roles.
Reference 2: Kutsch & Riemens