Quickly and easily edit the tags for many audio files at once while working across multiple folders or with specific files. Turn hours of work into minutes using powerful editing and re-naming functions for both tags and file names. Look-up cover art, lyrics and album details from the Internet, rip audio discs, permanently change the volume gain for mp3 files. Supports mp3, m4a, wav, flac, and wma. Multi-level undo for rolling back changes.