2010 single by Alex Clare
"Up All Night" is the debut single by English singer Alex Clare, released in December 2010. It is from his debut studio album The Lateness of the Hour. The song was written by Alex Clare and producers Diplo and Switch of Major Lazer and features addition production from Mike Spencer and co-writer Ariel Rechtshaid. It was first released on 9 December 2010 as a digital download in the United Kingdom. Remixes were later released digitally and physically on various vinyl formats. It has been used as the opening theme for the BBC science fiction show Class which is an official spin-off from Doctor Who.