code: def find_wav_files(data_path):
      wav_paths = glob.glob(
          os.path.join(data_path, "**", "*.wav"), recursive=True
      )
      return wav_paths
  
file_path: TTS/TTS/vocoder/datasets/preprocess.py
imports: import glob
  import os
  from pathlib import Path
  from tqdm import tqdm
  import numpy
label_desc: Use image node_id 2 for calling a global function with example usage: find_wav_files(data_path) and returns: wav_paths