code: def download(self, song):
  		
  
  		song_id = song['id']
  
  		response = self._call(
  			mm_calls.Export,
  			self.uploader_id,
  			song_id)
  		audio = response.body
  		suggested_filename = unquote(
  			response.headers['Content-Disposition'].split("filename*=UTF-8''")[-1]
  		)
  
  		return (audio, suggested_filename)
docs: Download a song from a Google Music library.
  
  		Parameters:
  			song (dict): A song dict.
  
  		Returns:
  			tuple: Song content as bytestring, suggested filename.