\consists "Text_spanner_engraver"
\consists "Grob_pq_engraver"
+ \consists "Note_head_line_engraver"
+ \consists "Glissando_engraver"
\consists "Ligature_bracket_engraver"
\consists "Breathing_sign_engraver"
% \consists "Rest_engraver"
\consists "Rest_engraver"
% why here ?
- \consists "Note_head_line_engraver"
\consists "Output_property_engraver"
}