Ghost In The Machine?

[BobDavis88@AOL.COM]

Phil writes:

> His S&S 'D' was doing something I had never heard before - up around G#6, I
>  >started hearing 2 ghost tones(A#5 and D6) as I would play -

I can't explain why they went away, except for the law of natural perversity, 
but D's can have a very resonant back scale if the braid doesn't go several 
notes up into the tenor, where the  back scale is quite long. ???
Bob Davis