Re: How to overlap \leftHand and \rightHand in the same staff

[Nick Payne]

On 13/06/10 08:50, Disc Magnet wrote:
> I've written a Lilypond input file like this:
>
> leftHand = \relative c' {
>      c e g e
>      d f a f
>      e g b g
>      f a c a
> }
>
> rightHand = \relative c'' {
>      c2 c
>      d d
>      e e
>      f f
> }
>
> \score {
>      \new Staff {
>          \time 4/4
>          \tempo 4 = 120
>          \leftHand
>          \rightHand
>      }
>      \midi { }
>      \layout{ }
> }
>
> Now this generates a score with 8 bars. However, what I want is a
> score of 4 bars. I want the left hand and right hand to overlap in the
> same staff. Thus the first bar should show c4 e4 g4 e4 relative to c'
> as well as c2 c2 relative to c''. Similarly for the 2nd, 3rd and 4th
> bars.
>
> How can this be done?
>    

\new Staff<<
  \new Voice = "1" { \voiceOne \leftHand }
  \new Voice = "2" { \voiceTwo \rightHand }
> >

Look up single staff polyphony in the documentation: 
http://lilypond.org/doc/v2.13/Documentation/learning/explicitly-instantiating-voices

Nick