TY  - MUSIC
AU  - Bertoni,Umberto
TI  - 12 Studies:  : for bassoon
PY  - 1971///
CY  - New York
PB  -  : International Music Company
KW  - Fagot
KW  - Estudis i exercicis
KW  - Partitures
N1  - Per a fagot
ER  -