Former Black Sabbath man Tony Martin and ex Deep Purple and Rainbow singer Joe Lynn Turner make guest appearances, as do Skid Row's Tony Harnell, Masterplan's Rick Altzi, Pink Cream 69's David Readman and Harry Hess of Harem Scarem.

Karlsson says: "I didn't plan to make a second Freefall album at first, but one album wasn't enough for my wish list of singers. I wanted not only some of the best singers I ever heard, but singers that meant a lot to me and that have given me inspiration.