C5. Beasley, Rule. In Klimko, Ronald. Bassoon Performance Practices and Teaching in the United States and Canada. Idaho: University of Idaho, 1974, p. 63.

x o x | x x x
 c       E

C5. Blackman, Paul. In Apfelstadt, Marc and Klimko, Ronald. Bassoon Performance Practice, Teaching Materials, Techniques and Methods. Idaho: University of Idaho, 1993, p. 58. "Party time: no fingers down, put teeth on reed, pull reed half off crook."

C5. Cooper, L. Hugh. "Bassoon Clinic Series, Part Four," Etude: the Music Magazine 47/6 (June 1949): 356.

   (Eb)
x o o | x x o F
c      Bb

C5. Cooper, L. Hugh. To the World's Bassoonists 4/2 (1974[75]): 4.

     Eb
 x x x | x x x
d         E

C5. Edwards, Artemus. In Klimko, Ronald. Bassoon Performance Practices and Teaching in the United States and Canada. Idaho: University of Idaho, 1974, p. 64. Same as Cooper p. 320 except do not cover R. H. A hole.

    Eb
x o o | x o o F
 c

C5. de Gomar, Juan. In Apfelstadt, Marc and Klimko, Ronald. Bassoon Performance Practice, Teaching Materials, Techniques and Methods. Idaho: University of Idaho, 1993, p. 55. Groeling, Charles R. "Cultivating Bassoonists." The Instrumentalist 47/1 (August 1992): 52. Cooper p. 320. Hardisty, Donald M. "Tuning those Bassoons: Part II--Tuning Individual Notes and Registers." The Instrumentalist 36/8 (March 1982): 72.

    Eb
x o o | x x o F
 c

C5. Hale, T. Geoffrey. In Apfelstadt, Marc and Klimko, Ronald. Bassoon Performance Practice, Teaching Materials, Techniques and Methods. Idaho: University of Idaho, 1993, p. 68. For C5 to D5 rapid passages.

    Eb
x o x | x x o F
 c     Bb

C5. Knob, Edward. In Apfelstadt, Marc and Klimko, Ronald. Bassoon Performance Practice, Teaching Materials, Techniques and Methods. Idaho: University of Idaho, 1993, p. 56. For pianissimo.

o x o | o o o
    w

C5. Moritz, Frederick. "A Dissertation on the Use of Alternate Fingerings for Some of the High Register Notes on the Heckel and Heckel-Type Bassoons." The Double Reed 8/3 (Winter 1985): 34. For fast passages same as Cooper p. 322 (no D speaker key).

    Eb
x o o | o o o
 b

For bassoons with a G# ring also use:

x o o | o o o F
  a c#

C5. Roemildt, Michael. In Apfelstadt, Marc and Klimko, Ronald. Bassoon Performance Practice, Teaching Materials, Techniques and Methods. Idaho: University of Idaho, 1993, p. 71. For combination of D5-C5-D5 see other Roemildt fingerings below.

     Eb
 x o x | x x o 
d       Bb

Heckel-system bassoon fingerings by note name