No one expected these one-hit wonders from the 1970s to hit No. 1. And we're so glad they did, because these songs are bangers.

The 1970s were an eclectic movie decade with lots of choices, including great soundtracks. These are three that hit No. 1 in ...

Jun. 4—Nicky Siano is an integral part of the disco scene. He began playing clubs in 1971 and by the end of the decade, he was one of the major figures in the New York scene. "I'm very glad to be part ...