The classic folk-rock anthem, known for its expansive lyrics, is filled with cultural references related to American life in the 1950s and 1960s. “That song didn’t just happen,” McLean said of his 1971 hit, which was inducted into the Grammy Hall of Fame and named a Song of the Century by the Recording Industry Association of America. Eight minutes long, starting with “A long, long time ago,” Don McLean’s “American Pie” is a slice of cultural history. Since the song’s release, fans have been obsessed with answering one question: what is “American Pie” about?