There's nothing worse than getting a song stuck in your head, and you
know that there's just no hope in ever getting rid of it, until one
creative website came up with a way for you to do so.
UnHear It might not be a business in the traditional sense, but these days there really isn't that much difference between a business and a site. You can consider UnHear It the non-profit responsible for helping people in a charitable way by ridding their minds of annoying songs that just won't go away.
Here's way UnHear It's mission is "Using the latest in reverse-auditory-melodic-unstickification
technology, we've been able to allow our users to “unhear” songs by
hearing equally catchy songs. So really all we're doing is making you
forget your old song by replacing it with another one... sorry."
Hey, sometimes the services of a business aren't the end-all, be-all solutions but they can solve an immediate problem!