@lilypond[quote,relative=0]
\override Staff.KeySignature #'flat-positions = #'((-5 . 5))
\override Staff.KeyCancellation #'flat-positions = #'((-5 . 5))
@lilypond[quote,relative=0]
\override Staff.KeySignature #'flat-positions = #'((-5 . 5))
\override Staff.KeyCancellation #'flat-positions = #'((-5 . 5))