Playing tough, hard-edged guitar-based rock, the Groundhogs began as a potent British blues band and evolved into a more adventurous, progressive-oriented group without giving up their muscle and physical impact. The Groundhogs were a vehicle for guitarist Tony McPhee, who was the sole constant through their history, spanning from the mid-'60s into the 2010s, and maintained a loyal following as they started with the blues, went through a long period of experimentation, and eventually made their way back to the music that first inspired them. 1996's Hooker and the Hogs collecte...