Pollux is described as 'automatically cleans up music tag information such as name, artist, album, album art, genre, year, and lyrics. Analyzes the tracks unique fingerprint, so it can never be wrong. No existing track information necessary' and is an app in the Audio & Music category. There are more than 10 alternatives to Pollux for a variety of platforms, including Mac, Windows, Online / Web-based, Linux and Android. The best alternative is MusicBrainz Picard, which is both free and Open Source. Other great apps like Pollux are Midomi (Free Personal), TuneUp (Paid), MusicID (Free) and AudioTag (Free).
Hold MusicID up to music and it'll tell you the name of the song in seconds. MusicID is the slickest way to identify any song you hear on the radio, at the movies, at the club, at the grocery store, or anywhere.
Jaikoz is a tagger that specializes in mass tagging of music file tags. Jaikoz performs acoustic fingerprint matching and metadata lookups automatically using the MusicBrainz, Discogs and Acoustid databases. It can also look up artwork and find duplicates songs.
A search engine for tunes and musical themes and a collaborative music encyclopedia. Only the melody needs to be known to search Musipedia or the Web. The melody can be played on a keyboard or whistled or sung to the computer.
Music Tag is a powerful and easy to use program that automatically downloads track data and cover art to complete your music library. Modern music players like iTunes or Windows Media Player use data embedded into files to identify tracks.