How did this song stay quiet? It stayed calm!

The lyrics of Stay Calm, Stay Peachy Shop and Stay Awake all remain calm and composed, according to the BBC.

The songs are the second best-selling singles of all time.

The two songs have sold almost 10 million copies, according a study from Nielsen Music.

Stay Calm has sold more than 11 million copies worldwide.

The duo released a remix of the songs in 2016, and in 2017, they released a full-length album, Stay Awaken, to mark the release of their seventh album, Be Still.