def test_empty_get_cantus_firmus(self):
        result = get_cantus_firmus([])
        self.assertEqual('', result)
Get a TrackInfo object for a MusicBrainz recording ID. Return None
dataset/ETHPy150Open ntoll/foox/test/test_lilypond.py/TestLilypond.test_empty_get_cantus_firmus--crossover with--dataset/ETHPy150Open beetbox/beets/beets/autotag/hooks.py/track_for_mbid