John Barrowman, best known to Doctor Who and Torchwood fans as Captain Jack Harkness, will be appearing on tonights edition of the Xtra Factor. You can tune into the Xtra Factor at 10.45pm on ITV2, after part two of the X Factor finishes. In other John Barrowman news, his new album 'Music Music Music' was recently released and it is available now on CD at the RRP of £15.99. Also he appeared on Thursdays Paul O' Grady show and you can watch the interview on YouTube here.