3 mob pieces : for 7 interchangeable instruments and percussion / [by] H.K. Gruber.
Gruber, Heinz Karl.
Gruber, H. K.
With alternative parts for instruments 1, 2, 4, 6, 7. ; Unpriced. ; 1.Ti.2. Three mob pieces 3.Sr
BCM record number: B80-50371