Which 1980 Martin Scorsese film tells of a self-destructive middleweight boxing champion?

Who played Captain Willard in "Apocalypse Now" (1979)? "Gotta Serve Somebody", from 1979, was the last Top 40 single by which Minnesota-born singer? "HRH: The Man Who Will Be King" (1979) was a book about which heir to the British throne? Which Pulitzer-winning Norman Mailer book tells the story of executed murderer Gary Gilmore? Blondie's No. 1 hit "Call Me" was the theme of which 1980 film? Complete the title of the 1980 film about Loretta Lynn: "Coal Miner's ___". Debbie Allen played dance teacher Lydia Grant in which film and TV series about a New York performing arts school? In which 1980 workplace comedy did Dolly Parton make her film debut?