50 songs you won't believe are turning 50 this year

The 1970s was a tumultuous time, full of upheaval on many fronts, from the end of the Vietnam War to the dawn of personal computers. It makes sense that its music had a similar helter-skelter feel.

The early '70s were a musical melting pot where rock, reggae, funk, and pop could coexist. Ingenuity was essential, and as artists were...