code: def __init__(self, start, end, label_id):
      self.label_id = label_id
      self.start = start
      self.end = end
  
imports: import argparse
  import math
  import os
  import sys
  import music21
  from espnet2.fileio.score_scp import SingingScoreWriter, XMLReader
label_desc: Use image node_id 1 to create a new LabelInfo object from inherited base classes: object with example: obj = LabelInfo(start, end, label_id)