4 \header { texidoc
= "By setting @code{Staff.keySignature} directly,
5 key signatures can be set invidually per pitch.
14 \set Staff
.keySignature
= #`
(((0 . 3) . ,FLAT
) ((1 . 2) . ,SHARP
))
16 \set Staff
.keySignature
= #`
(((0 . 4) . ,DOUBLE-SHARP
) ((1 . 2) . ,FLAT
))