Balin's touchstone band provided the soundtrack to the '60s.

Way before the Grateful Dead, Garcia played a friend's birthday party. This is what it sounded like.

HuffPost was in Memphis, for our “Listen To America” bus tour. We spoke to former Sheriff Bill Morris, who arrested Martin Luther King’s assassin in 1968. He told us that there is "more stress" between law enforcement and the African-American community today than there was the 1960s.