Researchers wanted to know the happiest and saddest songs ever, so they developed a method to scientifically determine just that.

One of the saddest classic rock songs was written by The Rolling Stones' Mick Jagger and Keith Richards and recorded by another star.

Dylan himself wrote plenty of Nobel Prize-worthy love songs. Chief among them was Sad ... featuring one of the all-time great wailing guitar solos and Clapton’s desperate scream, “you ...