Here's every single that topped the charts this year, based on new formula that tallies physical sales, airplay, and streams. The Billboard Hot 100 singles chart measures the top songs every week ...

The soulful ballad became one of the most haunting and memorable hits of the early 1970s.

"Shake it up, shake it down! Move it in, move it 'round, disco lady!" because 50 years ago on Monday, the iconic 1970s song made history.

Dean Torrance, one-half of the duo behind the song "Surf City," celebrated his 86th birthday on Tuesday.