Single staff polyphony - GNU LilyPond
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### 2.16 Single staff polyphony

When different melodic lines are combined on a single staff they are printed as polyphonic voices; each voice has its own stems, slurs and beams, and the top voice has the stems up, while the bottom voice has them down.

Entering such parts is done by entering each voice as a sequence (with `{...}`), and combining these simultaneously, separating the voices with `\\`

>          << { a4 g2 f4~ f4 } \\
>             { r4 g4 f2 f4 } >>

For polyphonic music typesetting, spacer rests can also be convenient; these are rests that do not print. They are useful for filling up voices that temporarily do not play. Here is the same example with a spacer rest (`s`) instead of a normal rest (`r`),

>          << { a4 g2 f4~ f4 } \\
>             { s4 g4 f2 f4 } >>

Again, these expressions can be nested arbitrarily

>          <<
>            \new Staff <<
>              { a4 g2 f4~ f4 } \\
>              { s4 g4 f2 f4 }
>            >>
>            \new Staff <<
>              \clef bass
>              { <c g>1 ~ <c g>4 } \\
>              { e,,4 d e2 ~ e4}
>            >>
>          >>

More features of polyphonic typesetting are described in this manual in section Polyphony.

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

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