\property Voice.TextScript \set #'molecule-callback = #brew-new-markup-molecule
f'-\markup { foo
\raise #0.2 \bold bar
- \override #'(baseline-skip . 4) \column < baz bazr bla >
+ \override #'(baseline-skip . 4) \column << baz bazr bla >>
\hspace #2.0
\override #'(font-family . music) {
\lookup #"noteheads-0"
\char #53
}
-
+ \musicglyph #"accidentals--1"
\combine "X" "+"
\combine "o" "/"
"$\\emptyset$"