Ab4-Bb4. Seltmann, Werner and Angerhöfer, Günter. Fagott-Schule in sechs Bänder, vol. 6 (Mainz: Schott), p.145. Permission granted for inclusion in this WWW index by Deutcher Verlag für Musik.

x x x | tr tr o
d  c#  Bb-tr

             Bb-tr
x x x | tr tr o
d  c#
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Contrabassoon (German system) trills and shakes by note names