5 Arpeggios are supported, both cross-staff and broken single staff.
13 \context Staff
=one
\notes\relative c''{
14 \context Voice
<< fis, d a >>\arpeggio
15 \property Staff
.Arpeggio
\override #'arpeggio-direction
= #1
16 \context Voice
<< fis, d a >>\arpeggio
17 %%\property PianoStaff.SpanArpeggio \override #'connect = ##t
18 \property PianoStaff
.connectArpeggios
= ##t
21 \context Staff
=two
\notes\relative c{
23 \context Voice
<< g b d >>\arpeggio
24 \property Staff
.Arpeggio
\override #'arpeggio-direction
= #-
1
25 \context Voice
<< g b d >>\arpeggio
29 \paper { raggedright
= ##t
}