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40 Etudes for Trombone (With optional Bass Trombone Accompaniment) by Vobaron, Edmond, Vobaron, Felix - qPress
![40 Etudes for Trombone (With optional Bass Trombone Accompaniment) by Vobaron, Edmond, Vobaron, Felix - qPress 40 Etudes for Trombone (With optional Bass Trombone Accompaniment) by Vobaron, Edmond, Vobaron, Felix - qPress](https://qpress.ca/wp-content/uploads/2016/03/Vobaron-Quarante-Etudes-Book-1-Tenor-2-791x1024.jpg)
40 Etudes for Trombone (With optional Bass Trombone Accompaniment) by Vobaron, Edmond, Vobaron, Felix - qPress
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Forty Progressive Etudes For Trombone - Trombone, Euphonium Bass Clef: Sigmund Hering: 9780825884320: Books - Amazon.ca
![Forty Progressive Etudes For Trombone - Trombone, Euphonium Bass Clef: Sigmund Hering: 9780825884320: Books - Amazon.ca Forty Progressive Etudes For Trombone - Trombone, Euphonium Bass Clef: Sigmund Hering: 9780825884320: Books - Amazon.ca](https://m.media-amazon.com/images/I/61ha4oE690L._AC_UF1000,1000_QL80_.jpg)