Gerallt Evans o Trawsgoed sy'n cael y dasg o geisio 'nabod sŵn y tractor gydag Ifan. Gerallt Evans from Trawsgoed tries to guess the sound of the tractor in Ifan's challenge. Show more
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Gerallt Evans o Trawsgoed sy'n cael y dasg o geisio 'nabod sŵn y tractor gydag Ifan. Gerallt Evans from Trawsgoed tries to guess the sound of the tractor in Ifan's challenge. Show more
Ail wasanaeth BBC Radio Cymru sy'n cynnig sioe frecwast bob bore'r wythnos.
