This chart shows were the majority of spins are coming from. As you can clearly see, they are mostly coming from pay for play satelite radio, and even there they are losing spins. Their label, Sony, has a documented history of paying for spins for their artists.
http://www.mmr247.com/mmrweb/AllAccess/Details.asp?sngcde=DIXINRTM
Very interesting stuff. Thank you.