According to Wikipedia,
Friedrich Blume was professor of musicology at the University of Kiel from 1938 to 1958. He was a student in Munich, Berlin and Leipzig, and taught in the last two of these for some years before being called to the chair in Kiel. His early studies were on Lutheran church music, including several books on J.S. Bach, but broadened his interests considerably later. Among his prominent works were chief editor of the collected Praetorius edition, and he also edited the important Eulenburg scores of the major Mozart Piano Concertos. From 1949 he was involved in the planning and writing of Die Musik in Geschichte und Gegenwart.
Friedrich Blume is affiliated with the following schools: