Former X Factor winner becomes first British female act in UK chart history to earn eight Top Five hit singles
And reports suggest song could have sold less than 600 copies
Singer says her version of the Calvin Harris hit was better
The single 'Trouble' was written by Emeli Sandé and will be released on October 7
Singer's take on Trent Reznor's seminal track has been posted online
Johnny Cash famously sang the song in 2002
The album features her current single 'Collide' with Avicii
DJ Avicii has claimed track plagiarises his song 'Fade To Darkness'