@menu
* Pitches::
* Rhythms::
-* Multiple notes at once::
+* Polyphony::
* Staff notation::
* Connecting notes::
* Expressive marks::
Program reference: @internalsref{Completion_heads_engraver}.
-@node Multiple notes at once
-@section Multiple notes at once
+@node Polyphony
+@section Polyphony
Polyphony in music refers to having more than one voice occurring in
a piece of music. Polyphony in LilyPond refers to having more than