John, Tobias Sid books & textbook
Solitary Refinement: Chromatics, Chords & Scales - Concepts for the Committed Bassoonist (updated with fingering chart)
Jackson, Nadina MacKie Harris, Kevin John, Tobias Sid
FriesenPress /2020-12-09 Hardcover / 448 Pages
isbn-10: 1525575643 / isbn-13: 9781525575648
