@node Keyboard instruments
@section Keyboard instruments
-@c@node Piano music
-@c@section Piano music
@menu
-* Piano sections::
+* Common notation for keyboards::
+* Piano::
+* Accordion::
@end menu
-@node Piano sections
-@subsection Piano sections
+@node Common notation for keyboards
+@subsection Common notation for keyboards
-Piano staves are two normal staves coupled with a brace. The staves
+@menu
+* References for keyboards::
+* The piano staff::
+* Changing staff manually::
+* Changing staff automatically::
+* Staff-change lines::
+* Cross-staff stems::
+@end menu
+
+@node References for keyboards
+@subsubsection References for keyboards
+
+@c TODO add refs
+TBC
+
+@node The piano staff
+@subsubsection The piano staff
+
+Keyboard instruments are usually notated with Piano staves.
+These are two normal staves coupled with a brace. The staves
are largely independent, but sometimes voices can cross between the
two staves. The same notation is also used for harps and other key
instruments. The @internalsref{PianoStaff} is especially built to
handle this cross-staffing behavior. In this section we discuss the
@internalsref{PianoStaff} and some other pianistic peculiarities.
-@menu
-* Automatic staff changes::
-* Manual staff switches::
-* Pedals::
-* Staff switch lines::
-* Cross staff stems::
-@end menu
@knownissues
@cindex stem, cross staff
@cindex distance between staves in piano music
+@node Changing staff manually
+@subsubsection Changing staff manually
+
+@cindex manual staff switches
+@cindex staff switch, manual
+
+Voices can be switched between staves manually, using the command
+@example
+\change Staff = @var{staffname} @var{music}
+@end example
+
+@noindent
+The string @var{staffname} is the name of the staff. It switches the
+current voice from its current staff to the Staff called
+@var{staffname}. Typically @var{staffname} is @code{"up"} or
+@code{"down"}. The @code{Staff} referred to must already exist, so
+usually the setup for a score will start with a setup of the staves,
-@node Automatic staff changes
-@subsubsection Automatic staff changes
+@example
+<<
+ \new Staff = "up" @{
+ \skip 1 * 10 % @emph{keep staff alive}
+ @}
+ \new Staff = "down" @{
+ \skip 1 * 10 % @emph{idem}
+ @}
+>>
+@end example
+
+
+and the @code{Voice} is inserted afterwards
+
+@example
+\context Staff = down
+ \new Voice @{ @dots{} \change Staff = up @dots{} @}
+@end example
+
+
+@node Changing staff automatically
+@subsubsection Changing staff automatically
@cindex Automatic staff changes
Voices can be made to switch automatically between the top and the bottom
@seealso
-Notation Reference: @ref{Manual staff switches}.
+@c Notation Reference: @ref{Manual staff switches}.
Internals Reference: @internalsref{AutoChangeMusic}.
@code{\autochange} cannot be inside @code{\times}.
+@node Staff-change lines
+@subsubsection Staff-change lines
-@node Manual staff switches
-@subsubsection Manual staff switches
-@cindex manual staff switches
-@cindex staff switch, manual
+@cindex follow voice
+@cindex staff switching
+@cindex cross staff
-Voices can be switched between staves manually, using the command
-@example
-\change Staff = @var{staffname} @var{music}
-@end example
+@funindex followVoice
-@noindent
-The string @var{staffname} is the name of the staff. It switches the
-current voice from its current staff to the Staff called
-@var{staffname}. Typically @var{staffname} is @code{"up"} or
-@code{"down"}. The @code{Staff} referred to must already exist, so
-usually the setup for a score will start with a setup of the staves,
+Whenever a voice switches to another staff, a line connecting the notes
+can be printed automatically. This is switched on by setting
+@code{followVoice} to true
-@example
-<<
- \new Staff = "up" @{
- \skip 1 * 10 % @emph{keep staff alive}
- @}
- \new Staff = "down" @{
- \skip 1 * 10 % @emph{idem}
- @}
+@lilypond[quote,ragged-right,fragment,relative=1,verbatim]
+\new PianoStaff <<
+ \new Staff="one" {
+ \set followVoice = ##t
+ c1
+ \change Staff=two
+ b2 a
+ }
+ \new Staff="two" { \clef bass \skip 1*2 }
>>
-@end example
+@end lilypond
+@seealso
-and the @code{Voice} is inserted afterwards
+Internals Reference: @internalsref{VoiceFollower}.
-@example
-\context Staff = down
- \new Voice @{ @dots{} \change Staff = up @dots{} @}
-@end example
+@predefined
+
+@funindex \showStaffSwitch
+@code{\showStaffSwitch},
+@funindex \hideStaffSwitch
+@code{\hideStaffSwitch}.
+
+@node Cross-staff stems
+@subsubsection Cross-staff stems
+Chords that cross staves may be produced by increasing the length
+of the stem in the lower staff, so it reaches the stem in the upper
+staff, or vice versa.
-@node Pedals
-@subsubsection Pedals
+@lilypond[ragged-right,verbatim,quote]
+stemExtend = {
+ \once \override Stem #'length = #10
+ \once \override Stem #'cross-staff = ##t
+}
+noFlag = \once \override Stem #'flag-style = #'no-flag
+\new PianoStaff <<
+ \new Staff {
+ \stemDown \stemExtend
+ f'4
+ \stemExtend \noFlag
+ f'8
+ }
+ \new Staff {
+ \clef bass
+ a4 a8
+ }
+>>
+@end lilypond
+
+@node Piano
+@subsection Piano
+
+@menu
+* Piano pedals::
+@end menu
+
+@node Piano pedals
+@subsubsection Piano pedals
@cindex Pedals
Pianos have pedals that alter the way sound is produced. Generally, a
Notation Reference: @ref{Ties} (laissez vibrer).
-@node Staff switch lines
-@subsubsection Staff switch lines
-
-
-@cindex follow voice
-@cindex staff switching
-@cindex cross staff
-
-@funindex followVoice
-
-Whenever a voice switches to another staff, a line connecting the notes
-can be printed automatically. This is switched on by setting
-@code{followVoice} to true
-
-@lilypond[quote,ragged-right,fragment,relative=1,verbatim]
-\new PianoStaff <<
- \new Staff="one" {
- \set followVoice = ##t
- c1
- \change Staff=two
- b2 a
- }
- \new Staff="two" { \clef bass \skip 1*2 }
->>
-@end lilypond
-
-@seealso
+@node Accordion
+@subsection Accordion
-Internals Reference: @internalsref{VoiceFollower}.
-
-@predefined
-
-@funindex \showStaffSwitch
-@code{\showStaffSwitch},
-@funindex \hideStaffSwitch
-@code{\hideStaffSwitch}.
+@menu
+* Discant symbols::
+@end menu
+@node Discant symbols
+@subsubsection Discant symbols
-@node Cross staff stems
-@subsubsection Cross staff stems
+@c TODO Add text from -user and lsr 194
+TBC
-Chords that cross staves may be produced by increasing the length
-of the stem in the lower staff, so it reaches the stem in the upper
-staff, or vice versa.
-
-@lilypond[ragged-right,verbatim,quote]
-stemExtend = {
- \once \override Stem #'length = #10
- \once \override Stem #'cross-staff = ##t
-}
-noFlag = \once \override Stem #'flag-style = #'no-flag
-\new PianoStaff <<
- \new Staff {
- \stemDown \stemExtend
- f'4
- \stemExtend \noFlag
- f'8
- }
- \new Staff {
- \clef bass
- a4 a8
- }
->>
-@end lilypond
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