### A.3.1 String quartet

This template demonstrates a simple string quartet. It also uses a `\global` section for time and key signatures

>     global= {
>       \time 4/4
>       \key c \major
>     }

>     violinOne = \new Voice \relative c'' {
>       \set Staff.instrumentName = #"Violin 1 "

>       c2 d
>       e1

>       \bar "|."
>     }

>     violinTwo = \new Voice \relative c'' {
>       \set Staff.instrumentName = #"Violin 2 "

>       g2 f
>       e1

>       \bar "|."
>     }

>     viola = \new Voice \relative c' {
>       \set Staff.instrumentName = #"Viola "
>       \clef alto

>       e2 d
>       c1

>       \bar "|."
>     }

>     cello = \new Voice \relative c' {
>       \set Staff.instrumentName = #"Cello "
>       \clef bass

>       c2 b
>       a1

>       \bar "|."
>     }

>     \score {
>       \new StaffGroup <<
>         \new Staff << \global \violinOne >>
>         \new Staff << \global \violinTwo >>
>         \new Staff << \global \viola >>
>         \new Staff << \global \cello >>
>       >>
>       \layout { }
>       \midi { }
>     }

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