class_docstr: GTZANMusicSpeech Dataset.
code: def _info(self):
      return tfds.core.DatasetInfo(
          builder=self,
          description=_DESCRIPTION,
          features=tfds.features.FeaturesDict(
              {
                  "audio": tfds.features.Audio(
                      file_format="wav", sample_rate=22050
                  ),
                  "label": tfds.features.ClassLabel(
                      names=_CLASS_LABELS
                  ),
                  "audio/filename": tfds.features.Text(),
              }
          ),
          supervised_keys=("audio", "label"),
          homepage=_HOMEPAGE_URL,
          citation=_CITATION,
      )
  
file_path: datasets/tensorflow_datasets/audio/gtzan_music_speech/gtzan_music_speech.py
imports: import os
  import re
  from tensorflow_datasets.core.utils.lazy_imports_utils import tensorflow
  import tensorflow_datasets.public_api
label_desc: Use image node_id 1 for calling the GTZANMusicSpeech obj's underlying member method code with example usage: obj._info() and returns: tfds