Blodeugerdd : Song of the flowers : an anthology of Welsh music and song. - Ashton, Catrin.; Ashton, Ceri.; Boyce, Max.; Cain, Nial.; Cooper, Christine.; Cooper, Jo.; Griffiths, Linda; Grooms, Chris; Hammond, Jem.; Hopkin, Mary; Huws, Daniel; Ilves, Sille.; et al. (Smithsonian Folkways, 2009)