Sain is celebrating Dydd Miwsig Cymru by releasing its entire 1970s collection from this archive on streaming platforms such as Spotify and Apple Music.
Mae Sain yn dathlu Dydd Miwsig Cymru drwy ryddhau ei gasgliad cyfan o'r 1970au o'r archif hon ar lwyfannau ffrydio fel Spotify ac Apple Music.