(extraits des 40 etudes (for trombone with bass trombone accompaniment ad libitu...(+)
(extraits des 40 etudes (for trombone with bass trombone accompaniment ad libitum)). By Edmond Vobaron. For trombone, bass trombone ad lib.. Collectioni Jean Raffard. 20 pages. Published by Gerard Billaudot Editeur
