"A fingering instruction."
'())
+(ly:add-interface
+ 'footnote-interface
+ "Make a footnote."
+ '(footnote-text))
+
+(ly:add-interface
+ 'footnote-spanner-interface
+ "Make a footnote spanner."
+ '(footnote-text))
+
(ly:add-interface
'fret-diagram-interface
"A fret diagram"