code: def _generate_data():
      """Generate data examples."""
      wav_file = fake_data_utils.get_random_wav_c1(
          duration=1, sample=22050
      )
      filepath = os.path.join(
          _output_dir(),
          "music_speech",
          "speech_wav",
          "{}.wav".format("test"),
      )
      dirname = os.path.dirname(filepath)
      if not tf.io.gfile.exists(dirname):
          tf.io.gfile.makedirs(dirname)
      tf.io.gfile.copy(wav_file, filepath, overwrite=True)
  
file_path: datasets/tensorflow_datasets/audio/gtzan_music_speech/dummy_data_generation.py
imports: import os
  from absl import app
  from absl import flags
  from tensorflow_datasets.core import utils
  from tensorflow_datasets.core.utils.lazy_imports_utils import tensorflow
  from tensorflow_datasets.testing import fake_data_utils
label_desc: Use image node_id 2 for calling a global function with example usage: _generate_data() without return types