@property
    def relation(self):
        # [(2,OBJ), (3,OBJ)])] => 2
        return len(self.relations) > 0 and self.relations[0][0] or None
Given a list of notes as integers and the duration to use, will return the
dataset/ETHPy150Open markuskiller/textblob-de/textblob_de/ext/_pattern/text/tree.py/Chunk.relation--crossover with--dataset/ETHPy150Open ntoll/foox/foox/lilypond.py/get_simple_contrapunctus