Siân Evans is a Welsh singer/songwriter from Caerphilly

Caerphilly

Caerphilly is a town in the county borough of Caerphilly, south Wales, located at the southern end of the Rhymney Valley, with a population of approximately 31,000. It is a commuter town of Cardiff and Newport, which are located some 7.5 miles and 12 miles away, respectively...

, United Kingdom

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

, born October 9, 1973. She is also a member of the band Kosheen

Kosheen

Kosheen are a British trip hop, breakbeat and rock group based in Bristol, England. The trio consists of producers Markee Substance and Darren Decoder , with singer and song writer Sian Evans...

 where she has found major success across Europe

Europe

Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

.
Siân was invited to sing on songs written by Markee Substance and Darren Decoder

Decoder (artist)

Decoder is the stage name of drum and bass and jungle producer Darren Beale.-Biography:Beale started his career in 1991 using various aliases creating a some oldschool hardcore tracks such as "4 AM" which was one of the anthems of 1992...

 in 1998 and Kosheen was formed. She has also done other work with Simon Kingman and played live at Glastonbury 2008.

In 2011, she featured on DJ Fresh's song, "Louder

Louder (DJ Fresh song)

"Louder" is a song by British Drum and bass producer DJ Fresh. It features vocals from Welsh singer songwriter Sian Evans. The song serves as the theme song for the Lucozade Sport Lite campaign. It was released on July 3, 2011 on Ministry of Sound...

", which was used as part of a Lucozade

Lucozade

Lucozade is an umbrella name for a 6 series of energy and sports drinks, produced by GlaxoSmithKline in Gloucestershire. The former company became part of Beecham and, after the mergers of SmithKline and Beecham in 2000, GlaxoSmithKline....

 Lite advertising campaign in the UK and Ireland.