Tchaikovsky, Peter. Symphony No. 4, fourth movement, mm. 26-32 after rehearsal letter B. Ewell, Terry B. (20 August 1994). A4 to Bb4 throughout use Cooper p. 278 for A4 and open L. H. C hole for Bb4. All A4s in the passage may be played with Cooper p. 278.
A4: Bb4: Eb Eb x x x | o o o x x o | o o o a c# a c#
Tchaikovsky, Peter. Symphony No. 4, second mov. last note. McAuliffe, Joseph. In Apfelstadt, Marc and Klimko, Ronald. Bassoon Performance Practice, Teaching Materials, Techniques and Methods. Idaho: University of Idaho, 1993, p. 63. For pianissimo.
F3: o o o | o o o F w(lock?) Bb B C D
Tchaikovsky, Peter. Symphony No. 4, second movement, last note, F3. Millard, C. BPP1, p. 67. Slowly close R. H. E key for diminuendo.
o o o | o o o w E--close slowly D