Jonny Perdue debuts “Dark Heart” at Saint Rocke in Hermosa Beach

Down south the blues tend to come most naturally.Jonny Perdue grew up in Dallas, Texas, in the shadow of such rollicking giants as Stevie Ray Vaughan, T-Bone Walker, and Blind Willie Johnson. When other kids around the country were listening to the zippity-do-dah of Green Day and Blink 182, he was up late getting creeped out by Howlin’ Wolf a