Well, haven't posted in forever, and I'm probably waaaay too late for this one...but if all other ideas don't work out, I still like the "name" angle:
1) BeatNIK Entertainment- works well because of the music=beat factor...But kinda encourages people to attack you if you're working karaoke at a rough-and-tumble place
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2) NIKerbockers (or NIKIbockers) Entertainment- Don't why I thought of that, but it just came into my head. Ladies in knickers potential?