 In 1979, she recorded "The Ethel Merman Disco Album," with many of her signature songs are set to a disco beat.Her last screen role was a self-parody in the 1980 comedy film "Airplane!," in which she portrayed Lieutenant Hurwitz, a shell-shocked soldier who thinks he is Ethel Merman.In the cameo appearance, Merman leaps out of bed singing "Everything's Coming Up Roses" as orderlies sedate her.