A1 (stylised as a1) is a British–Norwegian boy group formed in 1998. Their debut single, "Be the First to Believe", entered the UK singles chart at number six in mid-1999. They achieved chart success in the UK and other parts of the world in the late 1990s and early 2000s, particularly Southeast Asia. In the UK, they scored two number ones and six other top 10 hits, seven of which were written by the band. Adding to this, they won... [more on Wikipedia]