Audiences young and old will be given the opportunity to enjoy a family show this autumn as Theatr Bara Caws, in partnership with Theatr Gwynedd and Galeri, stage a lavish musical version of one of Walesâ favourite childrenâs books. From SiÃ´n Blewyn Coch to Wil Cwac Cwac, Ifan Twrci Tenau and all their noisy farmyard friends, the show will be full of the characters from this heartwarming book by Jenny Thomas and JO Williams, and audiences can expect plenty of dancing and singing as well as acting. Well-known childrenâs author Gareth F Williams is providing the script, with Catrin Edwards responsible for the score, Emyr Rhys appointed as musical director and Cai Tomos offering his dance expertise for the choreography.Producer Cyd-Gynhyrchiad Theatr. Producer Bara Caws. Producer Theatr Gwynedd. Producer Galeri Caernarfon. Director Tony Llewelyn.