1981

The album found Prince growing and evolving as an artist at a stunning pace.

FUN FACT: "Physical" is the best-selling single of the entire Totally '80s decade.

The song Phil Collins once said everyone "hated" peaked at #29 on the Hot 100.

The track hit #1 on the Billboard Hot Dance Clubs Songs chart, and #3 on the Hot Black Singles chart.

The title track of the duo's 1981 album was third #1 on the Hot 100.

The classic Stones track peaked at #2 on the Hot 100.

Exactly 39 years later, and the song is a hit once again.

The band is celebrating 40 years of "Back in Black" all month long.

Journey's one and only #1 album in America was the suburban summer soundtrack of 1981.

The rocker's third album soared straight to #1.