Dierks Bentley's career has been varied enough to suggest a multitude of inspirations. Del McCoury's high-lonesome moan has fanned Bentley's bluegrass flame, while you can trace his balladeer tendencies back to Randy Travis and Vince Gill. And if you're seeking the source of his more riff-friendly side, look no further than Van Halen's crunching hard-rock roar.