This was way cool. You’ve
got to get a bass vi type thing in your mix, like the Ibanez SRC6MS we’ve discussed
Other than the obvious cases where parts call for notes beyond the typical range of a given instrument, the notes will simply
sound different at different positions on the neck, or even just with the change in string tension.
You could observe the last case without even tuning differently by just swapping out your usual strings for a lighter or heavier set. Certainly, if you want to play a part originally played in DADG on a 5-string tuned BEADG, the notes are all there, but the open and fretted D1 will sound noticeably different.
Then consider that some parts are simply easier to play in nonstandard tunings. I’ve written a number of songs in GCGCF that rely heavily on open strings sounding at those nonstandard pitches and while the actual notes played are mostly within range in BEADG, the parts would be
really tricky. Even if you can cleanly fret all those same notes, they will still sound noticeably different for the reasons I’ve just related. Now imagine that in the hands of a virtuoso like Manring
Finally, alternate tunings simply force you to think differently and break out of your habits, which often leads to brand new ideas and approaches.
I note your lack of shade, and I assure you I reciprocate in my reply