Music - Karaoke
If you can't sing, stop now. Nobody cares to see Milli Vanilli in a bad jumpsuit. (Did anybody ever really want to see them the first time?) So sing. Sing everywhere, especially while you are in the line at COSTCO, or SAM's CLUB, many a deal have be struck over the $1.50 hotdog and cola combo. One final thought, live recorded tracks will sound more like a concert and less like a talent show.
Music Maestro - Recommended in Big T's Review.
King Tracks - Lots of Elvis tracks.
Karaoke Wharehouse - Karaoke music and equipment.
Session Music - UK site. A great selection of music.