dutch mason, blues festival, prime minister of the blues, blues, music, musician, vocalist, singer, performer, performing artist, recording artist, blues singer, nova scotia, canada, tourism, truro, northern nova scotia, colchester, NSPE provincial exhibition raceway, robert cray, jonny lang, james cotton, ronnie hawkins, johnny winter, fabulous thunderbirds, james harman, bikes, barbecue, BBQ, tattoo competition