Re: Unapproved LSR-snippet "Generating scores within a function"

[Valentin Petzel]

Hello,

While I cannot help you with this, I noticed that this snippet must have been 
done in an older version of lilypond, thus it uses older music function calls. 
I’ve updated the snippet to 2.20, so now it compiles at least locally.

Regards,
Valentin
%% LSR originally contributed by Gilles Thibault:
%% https://lists.gnu.org/archive/html/lilypond-user-fr/2011-11/msg00141.html
%% See also http://lsr.di.unimi.it/LSR/Item?id=630
%% and https://lists.gnu.org/archive/html/lilypond-user/2015-04/msg00311.html

\version "2.20"

duo =
#(define-music-function (nr) (number?)
   (let* ((s (number->string nr))
          (h (make-module))
          (m (ly:make-score
              #{<<
                \new Staff { \global \clarI }
                \new Staff { \global \clarII }
                >>
              #})))
     (module-define! h 'piece (markup #:concat ("Duo n." s)))
     (ly:score-set-header! m h)
     (collect-scores-for-book m)
     (make-music 'Music 'void #t)))

%%%%%%%%%% Duo 1
global = { \key c \major \time 4/4 }
clarI = { e'1}
clarII = { c'1}
\duo #1

%%%%%%%%%% Duo 2
global = { \key d \minor \time 3/4 }
clarI = { f'2.}
clarII = { d'2.}
\duo #2

%%%%%%%%%% Duo 3
global = { \key e \minor \time 2/4 }
clarI = { g'2}
clarII = { e'2}
\duo #3

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