Whose 1974 song "Mandy" was his first Top 40 hit and reached No. 1?

In which 1974 film does Noah Cross tell "Mr. Gittes" that "most people never have to face the fact that at the right ti… In which 1974 film does Faye Dunaway's character cry out "She's my sister and my daughter"? Which 1974 novel, Stephen King's first published book, is about a bullied girl with telekinetic powers? In the 1974 TV film "The Missiles of October", William Devane played which president? Francis Ford Coppola's 1974 Palme d'Or winner "The Conversation" echoes which Michelangelo Antonioni film, the 1967 Pal… Who had a No. 1 hit with "Jive Talkin'" in 1975? Which star had a No. 1 hit in 1975 with a cover of the Beatles' "Lucy in the Sky with Diamonds"? Complete the title of the 1975 sci-fi film starring Don Johnson: "___ and His Dog".