by Alex HendersonOver the years, the Nighthawks have done their share of label-hopping. 1991 found them briefly recording for Powerhouse, a small Florida label that Ichiban was distributing at the time. Trouble, which the Nighthawks dedicated to Doc Pomus, was their only album for Powerhouse -- and it is a solid blues-rock outing that sometimes detours into blue-eyed soul and early rock & roll. Whatever the style, the Nighthawks bring a lot of grit and enthusiasm to the material, which ranges from Lieber and Stoller's "The Chicken and the Hawk" to Bobby "Blue" Bland's "(I Wouldn't) Treat a Dog." The band also turns its attention to Sonny Terry & Brownie McGhee's "Ride and Roll," a song that blues lovers associate with the Piedmont, GA, school of Southern country blues. But in the Nighthawks' hands, "Ride and Roll" doesn't sound like Georgia blues -- they give the tune an electric blues-rock makeover, and their version is closer to Chicago tha...