|  | | BITSCH MARCEL | 15 Etudes de Rythme | Etudes de trombone - Partition | |
|  | | OSTRANDER ALLEN | Melodious Etudes For Bass Trombone | Etudes de Trombone Basse - Partition | |
|  | | KOPPRASCH GEORG | 60 Studies Volume 1 | Etudes de trombone - Partition | |
|  | | BLUME O. | 36 Etudes (With F Attachment) For Trombone | Etudes de trombone - Partition | |
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