Sian Evans is a Welsh singer. She is front woman and singer-songwriter of the band Kosheen, a trip-hop/drum and bass group that had their first two albums rise into the top 10 of the UK Albums Chart between 2001 and 2003.
She has also joined a list of Welsh artists to have topped the UK Singles Chart with collaboration on the track "Louder" with DJ Fresh. Kosheen went on hiatus in 2016 and started touring again in 2019.
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