With two Grammy awards and a further eight nominations to his name, multi-instrumentalist Taj Mahal can truly be regarded as one of the best in blues. Indeed, ever since 1968, and the release of his self titled debut album, this legendary performer has exerted an influence that transcends genres. When recently he appeared at the Bandshell in Daytona Beach, for a performance at the American Music Festival, I was allowed exclusive backstage access to talk to him. He had just c …