| Double-Valve Bass Trombone Low Tone Studies Etudes de Trombone Basse - Partition | | Melodious Etudes For Bass Trombone Etudes de Trombone Basse - Partition | | 70 Progressive Studies Etudes de Trombone Basse - Partition | | 15 Etudes de Rythme Etudes de trombone - Partition | | 24 Legato Studies Vocalises Etudes de trombone - Partition | | 36 Etudes With F Attachment For Trombone Etudes de trombone - Partition | |