<page_title> List of UK Rock & Metal Singles Chart number ones of 2015 </page_title> <section_title> Chart history </section_title> <table> <cell> 17 December <col_header> Issue date </col_header> <col_header> 3 January </col_header> <col_header> 10 January </col_header> <col_header> 17 January </col_header> <col_header> 24 January </col_header> <col_header> 31 January </col_header> <col_header> 7 February </col_header> <col_header> 14 February </col_header> <col_header> 21 February </col_header> <col_header> 28 February </col_header> <col_header> 7 March </col_header> <col_header> 14 March </col_header> <col_header> 21 March </col_header> <col_header> 28 March </col_header> <col_header> 4 April </col_header> <col_header> 11 April </col_header> <col_header> 18 April </col_header> <col_header> 25 April </col_header> <col_header> 2 May </col_header> <col_header> 9 May </col_header> <col_header> 16 May </col_header> <col_header> 23 May </col_header> <col_header> 30 May </col_header> <col_header> 6 June </col_header> <col_header> 13 June </col_header> <col_header> 20 June </col_header> <col_header> 27 June </col_header> <col_header> 4 July </col_header> <col_header> 9 July </col_header> <col_header> 16 July </col_header> <col_header> 23 July </col_header> <col_header> 30 July </col_header> <col_header> 6 August </col_header> <col_header> 13 August </col_header> <col_header> 20 August </col_header> <col_header> 27 August </col_header> <col_header> 3 September </col_header> <col_header> 10 September </col_header> <col_header> 17 September </col_header> <col_header> 24 September </col_header> <col_header> 1 October </col_header> <col_header> 8 October </col_header> <col_header> 15 October </col_header> <col_header> 22 October </col_header> <col_header> 29 October </col_header> <col_header> 5 November </col_header> <col_header> 12 November </col_header> <col_header> 19 November </col_header> <col_header> 26 November </col_header> <col_header> 3 December </col_header> <col_header> 10 December </col_header> </cell> <cell> "Christmas Time (Don't Let the Bells End)" <col_header> Single </col_header> <row_header> 17 December </row_header> </cell> <cell> The Darkness <col_header> Artist(s) </col_header> <row_header> 17 December </row_header> </cell> </table>
On December 17, The Darkness released the single "Christmas Time (Don't Let The Bells End)."