 Andrew Johnston ( born 23 September 1994 ) is a British singer who rose to fame when he appeared as a boy soprano on the second series of the UK television talent show Britain 's Got Talent in 2008 . Although he did not win the competition , he received a contract to record with Syco Music , a label owned by the Britain 's Got Talent judge Simon Cowell . Johnston 's debut album , One Voice , was released in September of the same year , and reached number four on the UK Albums Chart . Although Johnston originally performed as a treble , his voice has since matured to baritone , and he is now a member of the National Youth Choir . 
