It gives error; "72:2<0>: fout: GUILE signaleerde een fout voor de hier beginnende expressie"
makes a file: in file is only: %%%%%% instruments export : za 30 jul 22:36:19 2022 %%%%%% I tried it with this file: ( a bit long ... but should be) %%%%%%%%%%%% \version "2.22.2" \include "arranger.ly<http://arranger.ly>" \header { title = "Romance OubliƩe" composer = "Liszt, Ferenc (1880)" tagline = "Arrangement Eef Weenink" } \paper { #(set-paper-size "a4") } \layout { \context { \Voice \consists "Melody_engraver" \override Stem #'neutral-direction = #'() } } global = { \key e \minor % \twoCompoundMeters #'(9 8) #'(3 4) \time 9/8 \partial 8*3 s8*3 s4. *3 *18 % \twoCompoundMeters #'(6 8) #'(2 4) \time 6/8 s4.*2*71 \bar "|." } viola = \relative c' { \partial 8*3 c8\downbow_( \mf ^\markup {\italic "Andante malinconico"} b a e'4. \< f2. \! ) | % 1 r2.c8_( b a | % 2 f'4. \< fis2. \! ) | % 3 r2. fis,8\downbow ( e dis | % 4 a' g fis ) c' (b a g fis a )| % 5 c (b a) dis\upbow (c b a b c) | % 6 dis ( e eis fis4 ) r8 g\upbow_"espr." ( fis e) | % 7 b'4.~ b8 b( c b \acciaccatura { d16 } c8 b) | % 8 b4.\> ( fis4) \! r8 fis( g \acciaccatura { b16 } a8) | % 9 c,4.~ c8 b( \acciaccatura { d16} c8 b4 g'8) | % 10 fis4.( e4) r8 g\upbow( fis e) | % 11 b'4.~ b8 b( c b \acciaccatura { d16 } c8 b) | % 12 b4.( e,4->) r8 es( b' a ) | % 13 a4. d,4 ( e!8 fis4 \tuplet 3/2 { e16 fis g) } | % 14 fis4( e8 fis4) r8 es( b' a ) | % 15 a4. d,4 ( e!8 fis4 \tuplet 3/2 { e16_"dim." fis g) } | % 16 fis4 \>( e8 fis2.) \! | % 17 R4.*3 | % 18 R2. | % 19 r4 r8 \p \<fis4. ^~ ^\upbow^ ( | % 20 fis8 e dis) a'4. \> ^~ ^( % 21 a8 [ g fis]) fis^-- \! r8 r f4.\downbow( \acciaccatura { a16} g4 fis8) % 22 %verder met pagina 3 } #(begin (export-instruments 'viola "exported-file.ly<http://exported-file.ly>" #t) ) \score { \new Staff \with { instrumentName = "Altviool" shortInstrumentName = "Avl." \consists "Merge_rests_engraver" printPartCombineTexts = ##f } { \clef alto \partCombine \global \viola } \layout { } } %%%%%%%%%%%%%%%%%%%%%%%%