Which 1959 film, winner of the top prize at Cannes, set the legend of Orpheus and Eurydice during Carnival in Rio?

"The Birthday Party" (1958) was the first full-length play by which author of "The Homecoming"? In 1959, 12 countries including the U.S. and USSR signed a treaty to preserve which continent for science? In which 1959 comedy do two musicians who witness the St. Valentine's Day Massacre flee the mob by joining an all-girl… Frankie Avalon's 1959 No. 1 hit shares its name with which planet? Which 1959 musical introduced the song "Everything's Coming Up Roses"? In 1959, NASA introduced John Glenn, Alan Shepard and the rest of the seven astronauts of which program? Which 375-voice choir had a 1959 hit with "Battle Hymn of the Republic"? In 1959, which jazz bandleader with an aristocratic nickname received the NAACP's Spingarn Medal?