class_docstr: Reader class for 'xml.scp'.
  
  Examples:
      key1 /some/path/a.xml
      key2 /some/path/b.xml
      key3 /some/path/c.xml
      key4 /some/path/d.xml
      ...
  
      >>> reader = XMLScpReader('xml.scp')
      >>> tempo, note_list = reader['key1']
class_docstr_tok: ["Reader","class","for","'xml.scp","'",".","Examples",":","key1","\/some\/path\/a.xml","key2","\/some\/path\/b.xml","key3","\/some\/path\/c.xml","key4","\/some\/path\/d.xml","...",">",">",">","reader","=","XMLScpReader","(","'xml.scp","'",")",">",">",">","tempo",",","note_list","=","reader","[","'key1","'","]"]
code: def __contains__(self, item):
      return item
  
imports: import argparse
  import math
  import os
  import sys
  import music21
  import numpy
  from typeguard import check_argument_types
  from espnet2.fileio.read_text import read_2columns_text
  from espnet2.fileio.score_scp import NOTE, SingingScoreWriter
label_desc: Use image node_id 4 for calling the XMLReader obj's underlying member method code with example usage: obj.__contains__(item) and returns: item