Won't allow me to choose songs – Walkout Song DJ Review

For whatever reason it all of the sudden it I'll not allow me to use the songs from our playlist. It says that the songs are protected and I need to purchase them directly from iTunes but I already purchased them from iTunes so I can't buy them again. The app is useless if it doesn't allow you to use songs that you have paid for....
Review by Delaibrown on Walkout Song DJ.