4 texidoc
= "When a custom key signature has entries which are
5 limited to a particular octave, such alterations should persist
6 indefinitely or until a new key signature is set.
8 Here, only the fis' shows an accidental, since it is outside the
9 octave defined in @code{keySignature}.
14 \set Staff
.keySignature
= #`
(((0 . 3) . ,SHARP
)