Accidentals
This example shows the use of the \accidental and \alter tags.
[
\pageFormat<lm=1cm, tm=1cm, bm=1cm, rm=1cm>
\key<1> \meter<"2/4">
\acc<dy=-0.5hs,dx=-2hs>( c# ) % set accidental position
\acc<size=1.4>(d&) % set accidental size
\acc( f# ) % force a sharp
\acc( c2 ) % force a natural sign
\alter<0.5> c % \alter is used without range
\acc<"cautionary", color="blue">(c)
\alter<-0.5>(c) b1 % \alter used with a range, applied to c only
\alter<0> d a
]