bracket 1-4, 5-6
brace 1-2 7-8
joindotted 1-4
join 1-2, 3-4 7,8
breakbarlines 1,3,5 6
@breakbarlinesx 2

[stave 1 treble 1] S! | S! [endstave]
[stave 2 treble 1] S! | S! [endstave]
[stave 3 treble 1] S! | S! [endstave]
[stave 4 treble 1] S! | S! [endstave]
[stave 5 treble 1] S! | S! [endstave]
[stave 6 treble 1] S! | S! [endstave]
[stave 7 treble 1] S! | S! [endstave]
[stave 8 treble 1] S! | S! [endstave]

[newmovement] 
bracket 1-2
brace
join 1-2      
nocheck
startnotime
startbracketbar 1

[stave 1 soprano 1]
[noteheads only] cc' [o] |

[treble] ggg

[endstave]


[stave 2 alto 1]
[noteheads only] a`a [o] |
[treble] ggg

