If you read the section on "Creating titles" in the manual it tells you
that you can use any "Text markup" commands, for example
\header{
instrument = \markup{ Trumpet in B \flat }
}
If you don't like the vertical alignment, search the mailing list
archives or read the "Overview of Text markup
>
> Having trouble to include \flat in instrument name in the \header block i.e.
> :-
>
> \header {
> instrument = "Trumpet in B"\flat
> }
Try that instead:
instrument = \markup{ "Trumpet in B"\small\flat }
Best,
Gilles
___
lil