Have you seen how many companies claim ownership to one music release... it seems like it's at least 7 companies. How can they make a profit when selling a single download for .99cents. Don't forget iTunes and Uncle Sam are their partners too.
In many cases now you're talking about 9 or so entities attempting to eat off of a .99cent download... no, wonder the record business continues to be an outdated business model whose time is over.
You're better off publishing your own book and getting a 70% royalty for ebooks sold at $2.99 and above through Amazon's Kindle. For full details visit Kindle Publishing.