(stem-attachment . ,ly:note-head::calc-stem-attachment)
(glyph-name . ,note-head::calc-glyph-name)
(Y-offset . ,ly:staff-symbol-referencer::callback)
(stem-attachment . ,ly:note-head::calc-stem-attachment)
(glyph-name . ,note-head::calc-glyph-name)
(Y-offset . ,ly:staff-symbol-referencer::callback)