Sigma are an English drum and bass DJ and record production duo consisting of Cameron James Edwards and Joseph Aluin Lenzie.
Lenzie and Edwards met in 2006 at Leeds University; Edwards was working in local record store Tribe Records and with Echo Location's Obi running local night Event Horizon, while Lenzie was DJing hip-hop and warming up Event Horizon for acts.
[7] Once they had finished in Leeds, they relocated to London and became a three-piece with Ben Mauerhoff, being signed under DJ Fresh's Breakbeat Kaos.
[7] Its inaugural release was a VIP mix of their early Bingo Beats single "El Presidente".
In 2010, the duo released their two-part Stand Tall EP on the drum and bass label, Breakbeat Kaos.
[9] After the release of their late-2011 Night & Day EPs on their label, in 2012, Sigma toured the UK, Europe, Australasia and the United States.
The tour included dates supporting fellow former Leeds student Christopher Mercer (also known as Rusko).
Their third single "Higher" featuring Labrinth, premiered on Annie Mac's Radio 1 show on 16 January 2015.
"Redemption" with Diztortion and featuring Jacob Banks, released on 2 October 2015, was the fifth single from the upcoming debut studio album.
[21] On 4 November 2016, Sigma released their most commercially successful single since Life, in the form of "Find Me", which featured vocals from British singer Birdy.
[24] Two months later, a remix version of the song was released which featured additional vocals from Tinie Tempah and Yxng Bane.