4 texidoc = "Note head lines (e.g. glissando)
5 run between centers of the note heads."
8 su = { \change Staff = up}
9 sd = { \change Staff = down}
20 \override Glissando #'breakable = ##t
21 \set PianoStaff.connectArpeggios = ##t
24 c4 d \sd b a g8 f16 e32 d \su g2 \glissando a,4 \sd \break a2. \su g4 \glissando f1