G#2. Standard. Corey, Gerald. "How to Make the French Bassoon `Work.'" The Journal of the International Double Reed Society 1 (May 1973): 38. "More solid with F# key."
W x x x | x x x Ab (F#)
G#2. James, Cecil. Unpublished chart.
W x x x | x x x Ab F#
Buffet-system bassoon fingerings by note name