National Lampoon was a significant comedic musical group primarily active during the 1970s. They were an offshoot of the National Lampoon magazine, known for their satirical and often controversial humor. The group's notable members included John Belushi and Bill Murray, who would later find fame in film and television. Their album "Radio Dinner" (1972) is particularly remembered for its parody songs and skits, which helped to define their unique comedic musical style.