Pianos have pedals that alter the way sound are produced. Generally, a piano has three pedals, sustain, una corda, and sostenuto.
Piano pedal instruction can be expressed by attaching
\sustainDown
, \sustainUp
, \unaCorda
,
\treCorde
, \sostenutoDown
and \sostenutoUp
to a
note or chord
c'4\sustainDown c'4\sustainUp
What is printed can be modified by setting pedal
XStrings
,
where X is one of the pedal types: Sustain
,
Sostenuto
or UnaCorda
. Refer to
SustainPedal in the program reference for more
information.
Pedals can also be indicated by a sequence of brackets, by setting the
pedalSustainStyle
property to bracket
objects
\set Staff.pedalSustainStyle = #'bracket c\sustainDown d e b\sustainUp\sustainDown b g \sustainUp a \sustainDown \bar "|."
A third style of pedal notation is a mixture of text and brackets,
obtained by setting the pedalSustainStyle
style property to
mixed
\set Staff.pedalSustainStyle = #'mixed c\sustainDown d e b\sustainUp\sustainDown b g \sustainUp a \sustainDown \bar "|."
The default `*Ped.' style for sustain and damper pedals corresponds to
style #'text
. The sostenuto pedal uses mixed
style by
default.
c\sostenutoDown d e c, f g a\sostenutoUp
For fine-tuning of the appearance of a pedal bracket, the properties
edge-width
, edge-height
, and shorten-pair
of
PianoPedalBracket
objects (see
PianoPedalBracket in the Program reference) can be modified. For example, the
bracket may be extended to the end of the note head
\override Staff.PianoPedalBracket #'shorten-pair = #'(0 . -1.0) c\sostenutoDown d e c, f g a\sostenutoUp
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