LGTM, thanks!
https://codereview.appspot.com/579140043/diff/549240043/ly/music-functions-init.ly File ly/music-functions-init.ly (right): https://codereview.appspot.com/579140043/diff/549240043/ly/music-functions-init.ly#newcode243 ly/music-functions-init.ly:243: (if (and (number? cbn) (not (= cbn n))) Is there a special reason to retain the two spaces here? https://codereview.appspot.com/579140043/
