The discography of English drum and bass duo Sigma consists of one studio album, four extended play's and twelve singles. The duo signed to 3 Beat Records in the summer of 2013. They released their debut single "Summer Calling" with 3Beat featuring vocals from Taylor Fowlis. Their second single "Rudeboy" featuring Doctor was released in December 2013. The song peaked at number 56 on the UK Singles Chart.Life, Sigma's debut album, will be released in 2015.