-TAGS = []
-# NR 1
-TAGS.extend (['pitches', 'rhythms', 'expressive-marks',
-'repeats', 'simultaneous-notes', 'staff-notation',
-'editorial-annotations', 'text'])
-# NR 2
-TAGS.extend (['vocal-music', 'chords', 'keyboards',
-'percussion', 'fretted-strings', 'unfretted-strings',
-'ancient-notation', 'winds', 'world-music'
-])
-
-# other
-TAGS.extend (['contexts-and-engravers', 'tweaks-and-overrides',
-'paper-and-layout', 'breaks', 'spacing', 'midi', 'titles', 'template'])
-