Carter, Elliott. Eight Etudes and a Fantasy, sixth movement, m. 26. Wangler, Steven. Bassoon Performance Practice, Teaching Materials, Techniques and Methods (1993), p. 73. For A#3-C#4 trill L. H. C hole and R. H. A hole together.
x x tr | x tr o Bb
Suggested Heckel bassoon fingerings for musical passages