Constructing a tweak - GNU LilyPond
Description: GNU LilyPond

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#### 9.3.1 Constructing a tweak

Commands which change output generally look like

    \override Voice.Stem #'thickness = #3.0

This means that we must determine these bits of information:

- the context: here `Voice` .
- the layout object: here `Stem`.
- the layout property: here `thickness`.
- a sensible value: here `3.0`.

Some tweakable options are called “subproperties” and reside inside properties. To tweak those, use commands in the form

    \override Stem #'details #'beamed-lengths = #'(4 4 3)

We demonstrate how to glean this information from the notation manual and the program reference.

This page is for LilyPond-2.8.8 (stable-branch).

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