There is probably at least 2 duo's named CWTCH.

Cwtch is an electronic bass-music duo from Rennes, France.

Based in Cardiff, Wales, Cwtch (pronounced 'kutch') is a musical collaboration between Marie Craven (Pixieguts) and Paul Foster (Dementio13). Cardiff-based Dementio13 and Australia-based Pixieguts became online collaborators in 2008.
The music is a mixture of melodic electro, folk-tinged electronica and post-rock with impressionistic lyrics and themes. Lyrics are from the writings of Pixieguts, TRavvy, Titee, Nita Disaster, Adrian Carter, Reconsiderate, Lynne DeSilva-Johnson, Dementio13, Gunda G.
Sites: Discogs
Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.
Artist biography from last.fm