1975 saw the fall of Saigon, the Energy Crisis, and two assassination attempts on the President of the United States. On a more positive note, we also witnessed “The Thrilla’ in Manilla,” and the inaugural episode of NBC’s “Saturday Night Live.” In this episode, we take a look at three groundbreaking music releases from the same year: Queen’s “Bohemian Rhapsody,” Bruce Springsteen’s “Born to Run,” and . . . yes . . . “Get Down Tonight” from KC & the Sunshine Band.