Ysgolion Tryfan a Syr Hugh Owen sy'n agor rownd yr wyth olaf! Tryfan and Syr Hugh Owen open the quarter-finals of Radio Cymru's annual pop quiz for schools!
56 o funudau
Gweld holl benodau Cwis Pop
Cerddoriaeth gyfoes Gymraeg, adloniant a mwy gan Griw C2.