'X Factor' winner James Arthur has debuted a tantalising teaser for his first proper single 'You're Nobody 'Til Somebody Loves You'. After an upbeat jazzy sounding intro, Arthur's famous gravelly voice begins and ends all too soon as the 24 second teaser leaves us wanting more. The song is Arthur's first release since his winner's single 'Impossible', which sold 1.3million copies and topped the ...