Derek Andrew Safo (born 5 September 1982) is a British hip hop rapper of Ghanaian origins, who uses the stage names Sway DaSafo or simply Sway; he is also a full-time producer, establishing DCypha Productions.

In 2003, Sway started to pursue a solo career in the British music scene. He was invited by his cousin, DJ Ink, to feature on some of his drum and bass tracks and he became a member of the group “Fifth Element”.[1] In 2004, Sway established DCypha Productions to enable him to release his mixtapes and debut solo album, This Is My Demo. At DCypha, Sway produces his beats and songs alongside his long-time friends Pyrelli and Bigz.

Sway launched his solo career upon the disbanding of his group ONE by releasing two independent mixtapes, called This Is My Promo Volumes 1 and 2. They were underground successes, and his debut LP This Is My Demo was released on 6 February 2006. Its second single, “Little Derek”, headed in at #38 on the UK national charts. Remixes are also available featuring Baby Blue. His song “Hype Boys” is used in the video game Need For Speed: Carbon. To coincide with the release of his debut album, Sway released a collaboration mixtape with LoveDough to promote LoveDough’s nightclub in Newcastle-upon-Tyne. The compilation mixtape, called This Is My Rave, featured Pyrelli and Bigz, amongst other UK hip hop and R&B artists.