Sian Evans (born 9 October 1971) is a Welsh singer. She is a singer-songwriter and lead vocalist within the band Kosheen, with whom she found her first major success in the music industry. Kosheen are a British trip hop, drum and bass and rock group based in Bristol, England. Fronted by singer/songwriter Sian Evans and Bristol dance natives Darren Decoder and Markee Substance, Kosheen's meeting arrived in 1998. Early into the following decade, as Evans remained in the group, she made a name for herself as a featured vocalist. Evans has also done other work with Simon Kingman as Melo Park. After a reunion gig in aid of the Tsunami disaster, Evans and Kingman began playing together in the winter of 2006 and started developing this project in 2007. They played at festival in Moscow also played live at Glastonbury 2008.