The 1977 disco track "Night on Disco Mountain" was a reworking of which Mussorgsky piece?

Richard Dreyfuss won the Best Actor Oscar for which 1977 film co-starring Marsha Mason? In which 1977 film does Princess Leia tell her rescuer "You came in that thing? You're braver than I thought"? In which 1977 film does a woman tell her boyfriend "You only gave me books with the word 'death' in the title"? "Calcium Light Night" (1977) was the first ballet choreographed by which Danish dancer, later ballet master in chief of… Hans-Jürgen Syberberg's 1977 "Our Hitler" runs over seven hours, longer than Abel Gance's 1927 film about which French… Peter Shaffer's play "The Royal Hunt of the Sun" tells of the Spaniards' 16th-century conquest of which empire? Who was the "Son of Sam" killer who terrorized New York City in 1976 and 1977? Which band had a hit with "Dust in the Wind" in 1978?