'Guardians of the Galaxy's 70's compilation topped the Billboard 200 chart in its second week. By Melinda Newman, Billboard For astronaut Mark Watney, Matt Damon’s character in The Martian, there’s ...

The 1970s. What a decade for music! It was a wild, experimental, and incredibly fertile period that saw genres explode, artists push boundaries, and hit after hit cascade from radios across the globe.