This debut from brothers Mike and Bob Delevante combines big-city toughness with bluegrass twang. ''Driving at Night'' has an irresistible groove straight out of ''Green River,'' and ''Big Love'' boasts an infectious Tex-Mex spirit. The duo's songwriting sets them apart from the roots-rock rabble; they can write hooks all day long, and their tunes stick like tobacco juice on a wool rug. A

