Guide, node Updating translation committishes..
@end ignore
-@c \version "2.13.36"
+@c \version "2.13.46"
@node Fretted string instruments
@section Fretted string instruments
especially common in popular music to use chord diagrams above
a staff of traditional notation. The guitar and the banjo are
transposing instruments, sounding an octave lower than written.
-Scores for these instruments should use the @code{"treble_8"} clef (or
-@code{\transposition c} to get correct MIDI output).
+Scores for these instruments should use the @code{"treble_8"} clef
+(or @code{\transposition c} to get correct MIDI output).
Some other elements pertinent to fretted string instruments
are covered elsewhere:
@itemize
-@item Fingerings are indicated as shown in @ref{Fingering instructions}.
+@item Fingerings are indicated as shown in
+@ref{Fingering instructions}.
@item Instructions for @notation{Laissez vibrer} ties
as well as ties on arpeggios and tremolos can be found in
@funindex \tabChordRepetition
-Chord constructs can be repeated by the chord repetition symbol @code{q}.
-To use this feature in combination with tablature, @code{\tabChordRepetition}
-is provided. It preserves the string information explicitly given within
-chord constructs so repeated chords get identical tablature representations.
+Chord constructs can be repeated by the chord repetition symbol
+@code{q}. To use this feature in combination with tablature,
+@code{\tabChordRepetition} is provided. It preserves the string
+information explicitly given within chord constructs so repeated chords
+get identical tablature representations.
@lilypond[quote,verbatim]
\tabChordRepetition
@cindex tablature, predefined string tunings
@cindex fretted instruments, predefined string tunings
@cindex predefined string tunings for fretted instruments
+@cindex tablature, violin
+@cindex tablature, viola
+@cindex tablature, cello
+@cindex tablature, bass
+@cindex tablature, double bass
@funindex StringTunings
@code{stringTunings} property.
LilyPond comes with predefined string tunings for banjo, mandolin,
-guitar, bass guitar and ukulele. LilyPond automatically sets
+guitar, bass guitar, ukulele, violin, viola, cello, and double bass.
+LilyPond automatically sets
the correct transposition for predefined tunings. The following
example is for bass guitar, which sounds an octave lower than
written.
is the standard EADGBE tuning. Some other predefined tunings are
@code{guitar-open-g-tuning}, @code{mandolin-tuning} and
@code{banjo-open-g-tuning}. The predefined string tunings
-are found in @file{scm/tablature.scm}.
+are found in @file{ly/string-tuning-init.ly}.
+
+@funindex contextStringTunings
+@funindex \contextStringTunings
+@cindex tablature, custom string tunings
+@cindex custom string tunings
+
+Any desired string tuning can be created. The
+@code{\contextStringTuning} function can be
+used to define a string tuning and set it as the
+@code{stringTunings} for the current context.
+@code{\contextStringTuning} takes two arguments: the
+symbol in which the string tuning, and a chord construct
+that defines the pitches of each string in the tuning.
+The chord construct must be in absolute octave mode,
+see @ref{Absolute octave entry}. The string
+with the highest number (generally the lowest string) must
+come first in the chord. For example, we can
+define a string tuning for a four-string instrument with pitches
+of @code{a''}, @code{d''}, @code{g'}, and @code{c'}:
+
+@lilypond[quote,verbatim]
+
+mynotes = {
+ c'4 e' g' c'' |
+ e''4 g'' b'' c'''
+}
+
+<<
+ \new Staff {
+ \clef treble
+ \mynotes
+ }
+ \new TabStaff {
+ \contextStringTuning #'custom-tuning <c' g' d'' a''>
+ \mynotes
+ }
+>>
+@end lilypond
+
+The @code{stringTunings} property is also used by
+@code{FretBoards} to calculate automatic fret diagrams.
+
+@funindex makeStringTuning
+@funindex \makeStringTuning
+
+String tunings are used as part of the hash key
+for predefined fret diagrams
+(see @ref{Predefined fret diagrams}). The @code{\makeStringTuning}
+function is used to create a string tuning without setting the
+@code{stringTunings} property in the current context. The
+arguments to @code{\makeStringTuning} are the symbol to be
+used for the new string tuning and a chord construct used
+to define the tuning.
+The previous example could also be written as follows:
+
+@lilypond[quote,verbatim]
+\makeStringTuning #'custom-tuning <c' g' d'' a''>
-A string tuning is a Scheme list of string pitches,
+mynotes = {
+ c'4 e' g' c'' |
+ e''4 g'' b'' c'''
+}
+
+<<
+ \new Staff {
+ \clef treble
+ \mynotes
+ }
+ \new TabStaff {
+ \set TabStaff.stringTunings = #custom-tuning
+ \mynotes
+ }
+>>
+@end lilypond
+
+Internally, a string tuning is a Scheme list of string pitches,
one for each string, ordered by string number from 1 to N,
where string 1 is at the top of the tablature staff and
string N is at the bottom. This ordinarily results in ordering
from highest pitch to lowest pitch, but some instruments
(e.g. ukulele) do not have strings ordered by pitch.
-A string pitch in a string tuning list is the pitch difference
-of the open string from middle C measured in semitones. The
-string pitch must be an integer. LilyPond calculates the actual
-pitch of the string by adding the string tuning pitch to the
-actual pitch for middle C.
-
-LilyPond automatically calculates the number of strings in the
-@code{TabStaff} as the number of elements in @code{stringTunings}.
-
-Any desired string tuning can be created. For example, we can
-define a string tuning for a four-string instrument with pitches
-of @code{a''}, @code{d''}, @code{g'}, and @code{c'}:
+A string pitch in a string tuning list is a LilyPond pitch
+object. Pitch objects are created with the Scheme function
+@code{ly:make-pitch} (see @ref{Scheme functions}).
+If desired, a string tuning can be created as a Scheme
+literal. The example below recreates the examples above,
+but the string tuning is not saved as a separate object:
@lilypond[quote,verbatim]
mynotes = {
\mynotes
}
\new TabStaff {
- \set TabStaff.stringTunings = #'(21 14 7 0)
+ \set TabStaff.stringTunings = #`(,(ly:make-pitch 1 5 0)
+ ,(ly:make-pitch 1 1 0)
+ ,(ly:make-pitch 0 4 0)
+ ,(ly:make-pitch 0 0 0))
\mynotes
}
>>
@end lilypond
+LilyPond automatically calculates the number of strings in the
+@code{TabStaff} and the number of strings in an automatically
+calculated @code{FretBoard} as the number of elements
+in @code{stringTunings}.
+
@cindex moderntab clef
@cindex clef, moderntab
@cindex clef, tab
The modern tab clef supports tablatures from 4 to 7 strings.
@seealso
+Notation Reference:
+@ref{Absolute octave entry},
+@ref{Predefined fret diagrams},
+@ref{Scheme functions}.
+
Installed Files:
+@file{ly/string-tuning-init.ly}
@file{scm/tablature.scm}.
Snippets:
>>
@end lilypond
-Other fret diagram properties must be adjusted using @code{\override} when using
-the fret-diagram-terse markup.
+Other fret diagram properties must be adjusted using
+@code{\override} when using the fret-diagram-terse markup.
@cindex fret-diagram-verbose markup
@cindex capo
>>
@end lilypond
-All other fret diagram properties must be adjusted using @code{\override}
-when using the fret-diagram-verbose markup.
+All other fret diagram properties must be adjusted using
+@code{\override} when using the fret-diagram-verbose markup.
@ignore
The following example shows the three fret-diagram markup
@funindex fret-diagram-interface
The graphical layout of a fret diagram can be customized according to
-user preference through the properties of the @code{fret-diagram-interface}.
-Details are found at @rinternals{fret-diagram-interface}. For a fret diagram
+user preference through the properties of the
+@code{fret-diagram-interface}. Details are found at
+@rinternals{fret-diagram-interface}. For a fret diagram
markup, the interface properties belong to @code{Voice.TextScript}.
@snippets
@end lilypond
The graphical layout of a fret diagram can be customized according to
-user preference through the properties of the @code{fret-diagram-interface}.
-Details are found at @rinternals{fret-diagram-interface}. For a
-predefined fret diagram, the interface properties belong to
-@code{FretBoards.FretBoard}.
+user preference through the properties of the
+@code{fret-diagram-interface}. Details are found at
+@rinternals{fret-diagram-interface}. For a predefined fret diagram,
+the interface properties belong to @code{FretBoards.FretBoard}.
@snippets
an acceptable diagram. This can often be remedied by
manually assigning a note to a string. In many cases, only one
note need be manually placed on a string; the rest of
-the notes will then be placed appropriately by the @code{FretBoards}
-context.
+the notes will then be placed appropriately by the
+@code{FretBoards} context.
@cindex fret diagrams, adding fingerings
@cindex fingerings, adding to fret diagrams
information on the @code{stringTunings} property.
The graphical layout of a fret diagram can be customized according to
-user preference through the properties of the @code{fret-diagram-interface}.
-Details are found at @rinternals{fret-diagram-interface}. For a
-@code{FretBoards} fret diagram, the interface properties belong to
+user preference through the properties of the
+@code{fret-diagram-interface}. Details are found at
+@rinternals{fret-diagram-interface}. For a @code{FretBoards} fret
+diagram, the interface properties belong to
@code{FretBoards.FretBoard}.
projects / lilypond.git / blobdiff