TuneFind - Tunefind contains an index of music and songs appearing in popular television shows and movies. Find a song, or see where an artists music has been featured.
OSD Lyrics - OSD Lyrics is a lyrics show compatible with various media players.
Shazam - Shazam is a mobile app that recognizes music and TV around you.
AutoLyrix - AutoLyrix was designed to download Lyrics, AlbumArt (artwork) and SyncLyric (LRC files)...
AudD - Basically, Shazam API. Recognize music in microphone recordings, audio files, and UGC. Identify songs playing on radio stations and audio streams. Or make your own music recognition app. Recognize music from social networks and analyze trends.
Musixmatch - - World’s Largest Lyrics catalog and official