So I understand that tens of thousands of dollars go behind an Artist's broadcast radio promotion, but unless real value is created, those budgets will continue to decline. I think it's in the industry's best interest to have stats demonstrating the impact radio spins have on sales (and to winterwes...

Are there any articles or studies that quantify the value of a radio spin? Why do artists care if they get radio spins anymore, does is effect their record sales? If so, by how much? I can't find a single study on this, or anything to justify the need for radio promotion. Without giving a blanket op...