“They say music is the universal language. Few things will bear that out like this CD from Reference Recordings, the latest in their Fresh series, “Box & Dice” from Fiona Boyes. I hear you. What’s so universal about a female Blues guitarist? Well, how about the fact that Ms. Boyes comes from a place about as far removed from the birthplace of the Blues – the rural South – as it’s possible to get. She’s…