Answer
Yes, Hans Albrecht collaborated with other musicologists, most notably with Walter Wiora, with whom he founded the journal "Die Musikforschung" in 1948. Together, they sought to establish a new musicology that would combine historical research with musical analysis. Albrecht and Wiora's collaboration was particularly fruitful in the field of medieval music, where they made important contributions to the study of troubadour and trouvère songs.