On Saturday, Radio 4 broadcast a fascinating 30 minute programme about Cynghanedd. For those of you who aren't familiar, Cynghanedd is strict metric poetry, and a defining part of Welsh language culture.
The programme, presented by Tom Morys in his unique style, covers the origins of Cynghanedd, and everything from how it works, to how it affects the brain and the Chairing of the Bard at the National Eisteddfod. There's also a myriad of familiar welsh voices to be heard.
I enjoyed it immensely and started listening again from the beginning as soon as I'd finished.