Keith, Thank you for your message. Your suggestion of ly:set-default-scale, together with ly:make-scale, turned out to do just what I wanted. That showed me what to Google for, and that gave me the info I needed.
Richard > Message: 5 > Date: Sat, 28 May 2011 23:17:48 +0000 (UTC) > From: Keith OHara <[email protected]> > To: [email protected] > Subject: Re: Different accidentals for same pitch bend? > Message-ID: <[email protected]> > Content-Type: text/plain; charset=us-ascii > > I think Lilypond already does what you want. Some of the pitch bend goes > into the note-name itself for 34ET (differently from makam). > > Suppose you choose f-natural to have zero pitch bend in MIDI. > Then if b-natural is 18/34 of an octave higher, it needs 1/34*1200 cents > pitch- > bend of sharpening relative to the default 12-ET version of b. > > You set these pitch-bends for the naked note-names with ly:set-default-scale. > > Then with ly:parser-set-note-names, you assign b-down-one-step whatever name > you choose, and the pitch of scale-step 6 lowered by 1/34. When you use that > name, Lilypond prints a lowering glyph because it is lower than the note in > the > scale, and calculates a pitch bend 1/34*1200 cents flatter than the default > scale, which is right back to zero in this case. > > > Graham Breed has posted some helpful emails, such as > http://lists.gnu.org/archive/html/lilypond-devel/2008-12/msg00499.html Yes, I saw that discussion as a result of Googling, and I tried his code, but unfortunately I couldn't get it to work on v.2.13.62. Never mind, I now have something which does what I want.
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