\header { texidoc = "@cindex Rhythm Exercise
Rythmic exercises may be produced by removing the @code{Clef} engraver,
putting all notes to the same pitch and using transparent staff lines.
\header { texidoc = "@cindex Rhythm Exercise
Rythmic exercises may be produced by removing the @code{Clef} engraver,
putting all notes to the same pitch and using transparent staff lines.