this is the shortest example I've found where autochange gets
mixed up about which staff to put notes on - bars 1-6 of the
lefthand chords are all put hanging from the up staff with 1.2.13
here
John
---------------------------------
%K032.ly LilyPond 1.2.13
rh={\property Thread.noteHeadStyle=""}
lh={\property Thread.noteHeadStyle="diamond"}
n={\property Thread.fontSize="0"}
sm={\property Thread.fontSize="-1"}
zs={\property Voice.forceHorizontalShift="0.0"}
\score{
\context PianoStaff \notes<
\context Staff=up<
\keysignature bes;
\time 3/8;
\clef treble;
\autochange Staff
\context Voice=va<
\stemup \zs
\context Thread=ta{
\rh
[d''32 e'' f''16][e''8 d'']|
%a2
[bes''8 cis'' d'']|
%a3
[e''32 f'' g''16][f''8 e'']|
%a4
a''8[gis' a']|
%a5
[cis''32 d'' e''16][d''8 cis''^\prall]|
%a6
d''8[a' g']|
%a7
[f'16 g' f'8 e'^\prall]|
%a8
d'4. \bar "||";
%a9
[a'32 bes' c''16][bes'8 a']|
%a10
[bes'8 fis'' g'']|
%a11
[g'32 a' bes'16][a'8 g']|
%a12
[a'8 e'' f'']|
%a13
[f'32 g' a'16][g'8 f']|
%a14
[e''32 f'' g''16][f''8 e'']|
%a15
[d'32 e' f'16][e'8 d']|
%a16
gis''8^\prall a''4|
%a17
[a'32 bes' c''16][bes'8 a']|
%a18
[bes'8 cis' d']|
%a19
[cis''32 d'' e''16][d''8 cis''^\prall]|
%a20
d''8[cis' d']|
%a21
[e''32 f'' g''16][f''8 e'']|
%a22
a''8[cis' d']|
%a23
[e''32 f'' g''16][d''8 cis''^\prall]|
%a24
d''4. \bar "|.";
}>
\autochange Staff
\context Voice=vb<
\stemdown \zs
\context Thread=tb{
\lh s4.*5
%b6
s8[f, g,]|
%b7
a,4 a,8|
%b8
d,4.|
s4.*3
%b12
[f8 c f,]|
%b13
a4.|
%b14
[\stemup bes8 \stemdown d' cis']|
%b15
bes4 f8|
%b16
[e8 a16 g f e]|
s4.
%b18
bes4.|
s4.|
%b20
[bes8 a bes]|
%b21
a4.|
%b22
[a8 e f]|
%b23
[g8 a a,]|
%b24
d4.
}
\context Thread=tc{
\lh a4.|
%b2
bes4.|
s4.
%b4
a4.|
%b5
a4.|
%b6
f8 \skip 4..*16/7;|
%b9
a4.|
%b10
bes4.|
%b11
g4.|
%b12
s4.|
%b13
f4.|
%b14
\skip 4..*18/7;|
%b17
a4.|
%b18
g4.|
%b19
a4.|
%b20
s4.|
%b21
e4.|
%b22
f8
}
\context Thread=td{
\lh d4.|
%b2
g4.|
%b3
a4.|
%b4
f4.|
%b5
g4.|
%b6
\skip 4..*18/7;|
%b9
d4.|
%b10
\skip 4..*6/1;|
%b17
f4.|
%b18
\skip 4..*18/7;|
%b21
cis4.|
%b22
d8
}
\context Thread=te{
\lh \skip 4..*12/7;|
%b3
g4.|
%b4
s4.|
%b5
e4.
}>
\autochange Staff
\context Voice=vc<
\stemdown \zs
\context Thread=tf{
\lh d'4.|
%c2
d'4.|
%c3
<cis'4. e'>|
%c4
d'4.|
%c5
cis'4.|
%c6
d'8 s4
s4.*2
%c9
d'4.|
%c10
g4 f8|
%c11
e4 c8|
\skip 4..*12/7;|
%c14
g4 a8|
\skip 4..*30/7;|
%c20
bes,4.
}>
\autochange Staff
\context Voice=vd<
\stemdown \zs
\context Thread=tg{
\lh s4.*9
%d10
d'4.|
%d11
c'4.|
s4.*5
%d17
d'4.|
s4.
%d19
cis'4.|
}>>
\context Staff=down<
\clef bass;
\keysignature bes;
s4.*24
>>
\paper{indent=0.0;linewidth=188.0\mm;arithmetic_multiplier=6.8\pt;
\translator{\PianoStaffContext \consists Bar_number_engraver;
minVerticalAlign=42.0\pt;maxVerticalAlign=42.0\pt;}
\translator{\StaffContext staffLineLeading=5.5\pt;timeSignatureStyle="C";}
\translator{\VoiceContext tupletVisibility=0;textEmptyDimension=1;
\remove Auto_beam_engraver;}
\translator{\ThreadContext \consists Font_size_engraver;}
}}
