+\header{
+texidoc="
+Stem tremolos or rolls are tremolo signs that look like beam segments
+crossing stems. If the stem is in a beam, the tremolo must be parallel
+to the beam. If the stem is invisible (eg. on a whole note), the
+tremolo must be centered on the note.
+";
+}
-\version "1.3.59";
+\version "1.3.110";
\score{
\context Voice\notes \relative c''{
%%?
a1:4^":4" a:8^":8" c:16^":16" a:32^":32" a^"x" a:^":"
a4:4 c:8 a:16 c:32 a a: a2:
\break
- \stemup
+ \stemUp
a4:32 a'4:64
- \stemdown
+ \stemDown
c,4:32 c,4:64
- \stemboth
+ \stemBoth
c'8:16 c c c
a': a a: a
c,16:32 c: c c a16:32 a: a a