E4-G4. Reid, John W. The Double Reed 4/3 (December 1981): 2. Same as E4-G4 shake in Cooper p. 205 (no Eb key).
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E4-G4. Tyree, Ronald. In Klimko, Ronald. Bassoon Performance Practices and Teaching in the United States and Canada. Idaho: University of Idaho, 1974, p. 71. Also in Apfelstadt, Marc and Klimko, Ronald. Bassoon Performance Practice, Teaching Materials, Techniques and Methods. Idaho: University of Idaho, 1993, p. 75.
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BbHeckel-System (German) Bassoon Trills and Shakes by Note Names