By 1971, country music had undergone a significant transformation as rock musicians further explored American roots music.

If you're looking to get over that edge and make your heart beat a little faster than usual, then listen to these three 1971 rock songs.

There's no question that the '70s was an incredible decade for music in general, but that's when one genre in particular truly came into its own: Hard rock. From Deep Purple to AC/DC to Black Sabbath ...