Has anyone ever used one of the websites that post music industry requests for songs, and if so, what was your experience?  The ones I know of charge around $25 per song upload, but unless your song is considered for the request you responded to, it is my understanding that you're not even going to hear from anyone about your song(s).  Are they really offering a legitimate opportunity to have your song(s) considered for these "industry requests"  or are they primarily interested in making money?

Anyone who has visited or used one of these sites will know what I am talking about.  If this post is out of line I apologize to AW.  I am really curious about whether or not these places are worth using though and this seems like a good place to ask.  There is no need to mention any website by name or url, I'd just like to know what you think.  Thanks.