Vortex Magic Presents Mental Karaoke (Gimmicks and Online Instructions) by Harvey Raft"If you are looking for a book test style effect with out any books and is novel in that it uses song cards then this is for you. " Paul Romhany, *Reviews Vanish Magazine A BOOK TEST WITH KARAOKE MUSIC Vortex Magic is proud to have gotten the rights to the manuscripts of underground mentalist, Harvey Raft. Harvey has over fifty original routines and ideas in his notebooks, and over forty five years of experience as a performer. Up until now his work