%%staffwidth 300
X:1
T: TEST: Treble, treble-1, bass voices
K: C
V:1 name="soprano" clef=treble   middle=B
V:2 name="tenor"   clef=treble-8 middle=B,
V:3 name="bass"    clef=bass     middle=d
%
[V:1] | CDEF GABc | cdef gabc' |
[V:2] | C,D,E,F, G,A,B,C | CDEF GABc |
[V:3] | CDEF GABc | cdef gabc' |