B2. Standard.
W x x x | x o o
B2. Allard, Maurice. In Corey, Gerald. "How to Make the French Bassoon `Work.'" The Journal of the International Double Reed Society 1 (May 1973): 38. "Excellent."
x x x | x o Bb o E
B2. Corey, Gerald. "How to Make the French Bassoon `Work.'" The Journal of the International Double Reed Society 1 (May 1973): 38. "Usually weak; I add the F# more often than the Ab key."
W x x x | x o o(Ab) (F#)
B2. James, Cecil. Unpublished chart.
W x x x | x o o (D Eb)