A simple go app to fetch mp3 metadata and

find <directory> | parallel --pipe "./mp3-rename [opts]"

• -h: Display help
• -c: Copy files instead of renaming them.
• -o: Target output directory for renamed/copied files.
• -f: Target file format. Will replace templates with the mp3-tags.
• stdout: Print file new names to stdout instead of copying or renaming them.

• {artist}
• {title}
• {album}
• {album_artists}
• {genre}
• {composer}
• {year}
• {comment}