A1. Kay, Robert. H. "Low A." The Journal of the International Double Reed Society, 15 (1987): 41-52. Discusses methods of producing low A on the Contrabassoon.
A1. Seltmann, Werner and Angerhöfer, Günter. Fagott-Schule in sechs Bänder, vol. 6 (Mainz: Schott), p. 131. Permission granted for inclusion in this WWW index by Deutcher Verlag für Musik.
x x x A | x x x F
E
Bb B C D