2011/3/14 Michael Ellis <[email protected]>: > On Mon, Mar 14, 2011 at 11:06 AM, Francisco Vila <[email protected]> > wrote: >> >> 2011/3/14 David Kastrup <[email protected]>: >> > Francisco Vila <[email protected]> writes: >> >> Frets in a guitar are absolutely chromatic. I did not mention >> >> fretless instruments. >> > >> > So please explain how you are would sort frets into a diatonic scale >> > arrangement corresponding to white keys on a piano, with the frets >> > corresponding to black keys put someplace else. >> >> I a sense, frets behave like buttons. >> >> > The frets in a guitar are not _deliberately_ designed around a chromatic >> > scale, but because their positioning is dictated by physics. >> >> Still, frets behave somewhat like buttons. >> >> > Contrast that with a flute or a saxophone or anything else with a >> > _deliberate_ design of controls. >> >> That's why I mentioned Stanley Jordan who percutes strings against the >> fretboard only, thus allowing complex two-hand polyphony and making >> frets look as if they were buttons :-)) >> > I'm not familiar with Stanley Jordan's music but a guitar tuned by > fifths, like a cello or violin, has a very convenient relationship to > diatonic scales because the first 3 modes (ionian, dorian, and > phrygian) have symmetric tetrachords starting on the 1st and 5th > degrees of each mode. See the diagram below.
Something very similar applies to chromatic button accordion, it offers an even more convenient relationship to diatonic scales despite of the fact that the controls are specifically chromatic. -- Francisco Vila. Badajoz (Spain) www.paconet.org , www.csmbadajoz.com _______________________________________________ lilypond-user mailing list [email protected] http://lists.gnu.org/mailman/listinfo/lilypond-user
