TY  - MUSIC
AU  - Bléger,M.
TI  - 31 Studies:  : for trombone
PY  - 1962///
CY  - New York
PB  -  : International Music Company
KW  - Trombó
KW  - Estudis i exercicis
KW  - Partitures
N1  - Per a trombó
ER  -