Cwestiynau cwis am... cerddoriaeth bop! Syr Hugh Owen a Dyffryn Nantlle sy'n cystadlu! Syr Hugh Owen and Dyffryn Nantlle compete in the annual pop quiz for schools! Show more
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Cwestiynau cwis am... cerddoriaeth bop! Syr Hugh Owen a Dyffryn Nantlle sy'n cystadlu! Syr Hugh Owen and Dyffryn Nantlle compete in the annual pop quiz for schools! Show more