Jeremiah:

Thanks. It's a guitar tuned low. I fret it lightly, but even when that machine is 'on', still have always had the push/pull with what I described above. Been driving me crazier than an outhouse rat for ages.

The machine is Martin D-28, but I do experience something similar on the Larrivee. They are both 'high end machines', so it's something I'm NOT understandoing about why a C# and Db may be the same on an instrument but aren't really.

(I hope your post was directed at me. If not, pardon the presumption on my part.)