Griffin Technology has announced iKaraoke TunePrompter, a useful tool for creating karaoke videos from your existing music library. TunePrompter enhances the full karaoke experience of Griffin’s iKaraoke, an iPod accessory featured in Time, The New York Times, BusinessWeek, and hailed by The Wall Street Journal as “fun to use and unintimidating.” TunePrompter is a freeware application for Mac and PC that lets iKaraoke users make their own free karaoke videos using any song they own. The iKaraoke supplies the music, you supply the words and you can enjoy karaoke with any song, anytime and anywhere.