18:30Rhys MwynCaneuon "Na, ymwrthod, paid, negyddol"BBC Radio Cymru Duration: 2 awr, 29 o funudau Mon 16th Aug 2021, 18:30 on BBC Radio CymruNic Ros sy'n ymuno gyda Rhys i drafod caneuon ar y thema "Na, ymwrthod, paid, negyddol!" Forgotten classics from Mr Mwyn's collection, and guests reminisce.GenresMusicClassic Pop & RockBrandRhys Mwyn Source: BBC Online