PTKaraoke's Karaoke Files
This title might suspect PTKaraoke only plays files designed for it, but this is not the case. PTKaraoke supports the standard midi files with lyrics (*.kar and *.mid). Below is a list of websites where these karaoke files are hosted.
EZ-tracks - Probably the most popular place for karaoke files. Tons of karaoke songs, even rated.
MidiKaraoke - Not the best quality, but still, many free karaoke files.
HomeMusician - Some more free karaoke files.
* the pencil...where a lot began