Background
Grümmer was born in Gera in Thuringia.
Grümmer was born in Gera in Thuringia.
He studied at the Leipzig Conservatory with Julius Klengel.
Among his pedagogical works:
"Die Grundlage der Klassischen und Virtuosen Technik auf dem Violoncello" oder "Les Bases de la technique et de la virtuosité de violoncelle" ("The basis of the classical and virtuoso technique of cello playing"), Universal Edition, Vienna, 1942. Harmonische neue tägliche Übungen: für Violoncello ("New harmonious daily exercises: for cello"), Bote & Bock, Berlin, 1954.
He was well known as a member of the Busch Quartet, founded by Adolf Busch.
