[HIDEK6]

"A" below middle "C" is 440 hz, but I get your point (middle "C" is 256 hz).

Oops, dyslexia strikes again.

"A" above middle C is 440. "A" below middle "C" is 220.

Guess we'll have to re-extrapolate.

[ml/nj]

Guess we'll have to re-extrapolate.

I did this at #41 in case you missed it.

ML/NJ