5 Key signatures appear on key changes. They may also
6 appear without barlines. The restoration accidentals are not printed at
7 the start of the line. If @code{createKeyOnClefChange} is set, they're
8 also created on a clef change.
17 \property Staff. createKeyOnClefChange = ##t
19 % \key c \major % \minor
20 \key es \major % \minor
23 \key bes \major % \major
24 c2 \clef alto c2 \key d \major \clef treble c2
25 \property Staff. keySignature = #'((2 . -1) (6 . 3) (4 . -2))