the Beti a’i Phobl archive is available on BBC Sounds, for example, and I’m aware that many people listen to those conversations on their mobiles during car journeys).
mae archif Beti a’i Phobl ar gael ar BBC Sounds er enghraifft, a gwn am lawer sy’n gwrando drwy’r ffôn bach ar y sgyrsiau ar deithiau yn y car e.e.)