Daniel Alan David Jones is a British singer, songwriter and musician who is one of the lead vocalists and the lead guitarist for pop-rock band McFly. Jones's fellow band members are Tom Fletcher, Dougie Poynter, and Harry Judd (drums).

"Ultraviolet" / "The Ballad of Paul K" is the fourth and final single from British pop rock band McFly's second studio album, Wonderland (2005). It is a double A-side single and was released on 12 December 2005. The single peaked at No. 9 on the UK Singles Chart and No. 25 on the Irish Singles Chart