TY  - MUSIC
AU  - Grützmacher,Friedrich Wilhelm Ludwig
TI  - Etudes:  : (with thumb position)
PY  - 0000///, [s.a.]
CY  - New York
PB  -  : International Music Company
KW  - Violoncel
KW  - Estudis i exercicis
KW  - Partitures
N1  - Per a violoncel; Conté: Book 2
ER  -