Nic 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.
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Nic 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.
Ail wasanaeth BBC Radio Cymru sy'n cynnig sioe frecwast bob bore'r wythnos.
