Use \halign to horizontally align markup. A positive value moves it to the left (before), and a negative value moves in to the right (after).
For example, the following value of 1.8 moves it just far enough to the
left that it isn't above the notehead, but above the time signature.
{
c'''4-232^\markup\halign #1.8 \discant "120"
}
--
Jamie
signature.asc
Description: PGP signature
