dest_root = f"{song_metadata['artist']}/{song_metadata['album']}" os.makedirs(dest_root, exist_ok=True)
for old_name, new_suffix in stem_map.items(): old_path = os.path.join(output_folder, old_name) if os.path.exists(old_path): new_name = f"{song_metadata['title']}_{new_suffix}.wav" shutil.move(old_path, os.path.join(dest_root, new_name))