Dafydd Iwan will present a session of Welsh nursery rhymes and contemporary songs from the popular series Cwm-Rhyd-Y-Rhosyn.
All proceeds will go to Pwll Coch School
There will also be Cwm-Rhyd-Y-Rhosyn merchandise and various Welsh DVDs on sale.
N.B. Please note that due to a strike action, there will be a limited bus service on Saturday 5 September. See www.cardiffbus.com for more information.