Hello, I'm encountering an "adding notehead to incompatible stem" error when writing this oboes part. Why the "d d" one has no this problem but "e e" has? \version "2.13.0" moltocr = { \set crescendoText = \markup { \italic "Molto cresc." } \set crescendoSpanner = #'text \override DynamicTextSpanner #'style = #'dotted-line } offCr = { \unset crescendoText \unset crescendoSpanner \revert DynamicTextSpanner #'style } stemBoth = #(define-music-function (parser location mone mtwo) (ly:music? ly:music?) #{ << \voiceOne $mone \new Voice { \voiceTwo $mtwo } >> \oneVoice #}) \score { \new Staff { \relative c''' { \clef treble \key d \major \time 3/4 <a ees>8\mf <a ees>16 <a ees> <a ees>8-. <g ees>16( <a ees>) << { bes4( | b8) } \\ { d,8 d | f } >> <b f>16 <b f> <b f>8-. <a f>16( <b f>) << { c4( } \new Voice \voiceTwo { e,8 e } >> | \oneVoice <g cis,>)\f\< <g cis,>16( <g d> <g e>8-.)\! <g cis,>16(\p d-.^"a2" \moltocr e\< fis g gis) | a\! ais b cis <e a,>4(\fz\> \stemBoth d8)\! d r \offCr } } \layout { } \midi { } } If I use << { } \\ { } >> for e e, the enclosed slur will not be correctly ended according to the error in older versions. Also, if I span the second voice to <g cis,>, the hairpin will not be ended. Does the warning matter? How to solve it? Regards Haipeng
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