A yw cadw mewn tiwn wrth chwibanu'n haws na thrwy ganu? Mae Wil Tân yn y stiwdio i brofi. Wil Tân proves that it's easier to keep in tune when whistling, as opposed to singing. Show more
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A yw cadw mewn tiwn wrth chwibanu'n haws na thrwy ganu? Mae Wil Tân yn y stiwdio i brofi. Wil Tân proves that it's easier to keep in tune when whistling, as opposed to singing. Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
