MusicBrainz Picard

A cross-platform music tagger written in Python

Screenshots

Hunter's comment

Its an open source platform written in Python to control the music. It has support for multiple formats including, MP3, FLAC, WAV etc.

Picard uses AcoustID audio fingerprints, allowing files to be identified by the actual music, even if they have no metadata.
Source

Link

https://picard.musicbrainz.org/