Buy Sigma's album 'Life' today containing 'Glitterball' iTunes - http://po.st/N23fVQ Amazon - http://po.st/oBfGvV Single on iTunes: http://po.st/glitterball Single on Spotify: http://po.st/glitterballspotify Single in Belgium: http://po.st/glitterballNEWZ Sigma have announced their new single featuring Ella Henderson: ‘Glitterball’. The release follows the worldwide hits ‘Changing’ (featuring Paloma Faith), ’Higher’ (featuring Labrinth), and ‘Nobody To Love’, their first No.1 single that gained them two BRITs nominations. Earlier this year, Sigma (aka Cameron Edwards and Joe Lenzie) unveiled their new live show in Australia and New Zealand, returning to the UK for a sold out debut live tour that hit London, Manchester, Birmingham, and Brighton. The pair also recently performed at this year’s BAFTAs, following December’s performances at the BBC Music Awards, and the Christmas Day edition of Top Of The Pops. Currently in the midst of a riotous festival season, Sigma‘s forthcoming shows include Glastonbury, BBC Radio 1’s Big Weekend, Hideout, EDC, T In The Park, Creamfields, Pukkelpop, V Festival, and many more, plus dates across the Ibiza season at Together at Amnesia, and Ibiza Rocks. Since the release of her debut, million-selling single ‘Ghost’, Ella Henderson has received two BRITs nominations for Best British Female and Best British Single, and seen her debut album ‘Chapter One’ hit No.1 in the UK and reach Platinum status. Ella has since released three further smash hit singles including ‘Glow’, ‘Yours’ and the recent ‘Mirror Man’. In the US, her album hit No.11 on the Billboard charts with ‘Ghost’ selling over a million copies. Ella will embark on her debut headline UK tour for October and November, with two dates at the iconic London O2 Shepherds Bush Empire. Sigma were the only group in 2014 to have back-to-back No.1 singles in the form of ‘Nobody To Love’ and ‘Changing’ (featuring Paloma Faith), with both shifting over 100,000 copies in thei