Bill Murray is America's Coolest Dad. Here he is singing folk classic "House of the Rising Sun" and accompanying himself on the tambo. Thanks, TMZ!

While Pete Seeger may not have made it to the Top 40 in recent years, the legendary folk singer-songwriter continued to be influential until he died on Tuesday at 94. An influence on everyone from Bruce Springsteen to Bob Dylan, he helped bring political folk music to the mainstream and was an activist for more causes than we can count.

1. Because Taylor Swift isn't going to start a revolution.

Arthel "Doc" Watson, the legendary (and blind) American folk guitarist and songwriter, died in a hospital in Winston-Salem, N.C., on Tuesday. He was 89 years old.