>>
@end lilypond
+@noindent
Here, voices are instantiated explicitly and are given names. The
@code{\voiceOne} ... @code{\voiceFour} commands set up the voices
so that first and third voices get stems up, second and fourth
>> \oneVoice
@end example
+@noindent
Here, the first expression within a temporary polyphonic passage is
placed into the @code{Voice} context which was in use immediately
before the polyphonic passage, and that same @code{Voice} context
>>
@end lilypond
+@noindent
Here, the @code{\voiceOne} and @code{\voiceTwo} commands are
required to define the settings of each voice.