Knute Snortum <ksnor...@gmail.com> writes: > While going through Jean's Extending LilyPond tutorial... > > https://extending-lilypond.gitlab.io/en/scheme/expressions.html > > ...I came upon instructions to type this expression into the scheme-sandbox: > > (skip-of-length #{ { c'8 d' e' f' e' d' } #}) > > However, it produced this error: > > $1 = #<Prob: Music C++: Music((elements #<Prob: Music C++: Music((duration > . #<Duration 1*3/4 >))((display-methods #<procedure method (rest)>) (name . > SkipEvent) (iterator-ctor . #<procedure > ly:rhythmic-music-iterator::constructor ()>) (types event rhythmic-event > skip-event)) > > ))((display-methods #<procedure new-method (expr)> #<procedure new-method > (expr)> #<procedure new-method (expr)> #<procedure new-method (expr)> > #<procedure new-method (expr)> #<procedure method (chord)>) (name . > EventChord) (iterator-ctor . #<procedure > ly:event-chord-iterator::constructor ()>) (length-callback . #<procedure > ly:music-sequence::event-chord-length-callback (_)>) (to-relative-callback > . #<procedure ly:music-sequence::event-chord-relative-callback (_ _)>) > (types event-chord simultaneous-music)) > > > Is this a bug or something I have done?
It is not an error but the standard print-form of the resulting Music expression. You might want to call displayMusic on it for a better looking result. -- David Kastrup
