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Amazon.com: ACCIDENTALS HAPPEN! A Compilation of Scales for Bassoon Twenty-Six Scales in All Key Signatures: Major & Minor, Modes, Dominant 7th, Pentatonic & ... Whole Tone, Jazz & Blues, Chromatic: 9781491063019: Somach,
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25 Studies in Scales and Chords for Bassoon: Milde, Ludwik; Kamins, Benjamin; Short, William: 9781491110461: Amazon.com: Books
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