@var{music}: a music sequence, containing BarChecks as limiting expressions.
Example:
+
+@verbatim
\\parallelMusic #'(A B C) {
c c | d d | e e |
d d | e e | f f |
A = { c c | d d | }
B = { d d | e e | }
C = { e e | f f | }
+@end verbatim
"
(let* ((voices (apply circular-list (make-list (length voice-ids) (list))))
(current-voices voices)
(if (access? tweak-filename R_OK)
(begin
(ly:message "Including tweak file ~a" tweak-filename)
- (set! page-layout-parser (ly:clone-parser parser))
+ (set! page-layout-parser (ly:parser-clone parser))
(ly:parser-parse-string page-layout-parser
(format #f "\\include \"~a\""
tweak-filename))))))