Ceri Rhys Matthews performs with Ceri Ashton and members of Sild, Martin Leamon and Sille Ilves, as part of the Welsh program at the 2009 Smithsonian Folklife Festival on the National Mall in Washington, DC. They appear on the Smithsonian Folkways album Blodeugerdd, a compilation of Welsh folk music produced in conjunction with the 2009 Festival.