Bernard Allison is the guitar-playing, singing and songwriting son of the late, legendary blues guitarist Luther Allison. True to form for this chip off the old block, the young Allison injects every bit as much energy into his live shows as his late father did. Bernard counts among his influences icons like Albert King, Muddy Waters and Freddie King, and later, Stevie Ray Vaughan and Johnny Winter. Allison began accompanying his famous father to blues festivals in the early 1970s. There, he…