Updates:
Status: Fixed
Comment #4 on issue 2331 by [email protected]: Frequent differences in
input/regression/midi/key-option.midi
http://code.google.com/p/lilypond/issues/detail?id=2331
It's been a long time since this ever occured. I am labelling this as "fixed", but have no clue which commit actually fixed it. Probably issue 2353.
