@node Showing melody rhythms
-@unnumberedsubsubsec Showing melody rhythms
+@subsubsection Showing melody rhythms
Sometimes you might want to show only the rhythm of a melody. This
can be done with the rhythmic staff. All pitches of notes on such a
@seealso
-Program reference: @internalsref{RhythmicStaff}.
+Internals Reference: @internalsref{RhythmicStaff}.
@node Entering percussion
-@unnumberedsubsubsec Entering percussion
+@subsubsection Entering percussion
@cindex percussion
@cindex drums
@seealso
-Program reference: @internalsref{note-event}.
+Internals Reference: @internalsref{note-event}.
@node Percussion staves
-@unnumberedsubsubsec Percussion staves
+@subsubsection Percussion staves
@cindex percussion
@cindex drums
Init files: @file{ly/@/drumpitch@/-init@/.ly}.
-Program reference: @internalsref{DrumStaff}, @internalsref{DrumVoice}.
+Internals Reference: @internalsref{DrumStaff}, @internalsref{DrumVoice}.
-@refbugs
+@knownissues
Because general MIDI does not contain rim shots, the sidestick is used
for this purpose instead.
@c TODO: check name -gp
@node Ghost notes
-@unnumberedsubsubsec Ghost notes
+@subsubsection Ghost notes
Ghost notes for drums and percussion may be created using the
@code{\parenthesize} command detailed in @ref{Parentheses}. However,