Philip Rhoades <p...@pricom.com.au> writes: >>> \version "2.18.0" >>> \score { >>> { >>> $(let ((random-state (seed->random-state (current-time)))) >>> (make-sequential-music >>> (map (lambda (x) >>> (let ((idx (random 12 random-state))) >> >>> (make-event-chord >>> (list >> >> You can forego the above two lines (of course removing the respective >> closing parens later on) nowadays. >> >>> (make-music 'NoteEvent >>> 'duration (ly:make-duration 2 0 1/1) >>> 'pitch (ly:make-pitch >>> (quotient idx 7) >>> (remainder idx 7) >>> 0)))))) >>> (make-list 24)))) >> >> Ok, make-list is a tad-bit more basic and efficient than the iota I >> employed. > > > I get a GUILE error on line 5 > > $(let
I don't. Copy and paste error? > $@(let > > but that didn't work either (obviously I don't know what I'm doing . .) Obviously. $ splices a single expression (which is what make-sequential-music produces) into LilyPond, $@ splices a list of expressions. -- David Kastrup _______________________________________________ lilypond-user mailing list lilypond-user@gnu.org https://lists.gnu.org/mailman/listinfo/lilypond-user