code: def apply_to_audio(func, clip, *args, **kwargs):
      """Applies the function ``func`` to the audio of the clip created with ``func``."""
      new_clip = func(clip, *args, **kwargs)
      if getattr(new_clip, "audio", None):
          new_clip.audio = func(new_clip.audio, *args, **kwargs)
      return new_clip
  
file_path: moviepy/moviepy/decorators.py
imports: import inspect
  import os
  import decorator
  from moviepy.tools import convert_to_seconds
label_desc: Use image node_id 4 for calling a global function with example usage: apply_to_audio(func, clip) and returns: new_clip