Ifan Davies a Siân Adler yn gofyn cwestiynau am... cerddoriaeth bop! Glantaf a Bro Edern sy'n cystadlu! Glantaf and Bro Edern compete in the annual pop quiz for schools! Show more
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Ifan Davies a Siân Adler yn gofyn cwestiynau am... cerddoriaeth bop! Glantaf a Bro Edern sy'n cystadlu! Glantaf and Bro Edern compete in the annual pop quiz for schools! Show more