tal - this one's especially for you. You wanted spoken Welsh. I give you...sung Welsh! (translation in italics - don't want to get cast out for posting in another language).
http://youtube.com/watch?v=_VGQbA_idLM
Arnofio/Glo in the Dark - Super Furry Animals
Cysgod dros Gantre'r Gwaelod
A shadow across Cantre'r Gwaelod [Cantre'r Gwaelod is a fabled town lost to the sea off the Mid Wales coast in Cardigan Bay]Cregyn gleision dan y tywod
Whey shells under the sandArnofio
FloatingArnofio
Floating
Nofio, nofio, nofio, nofio, nofio, nofio, nofio
Swimming, swimming, swimming, swimming, swimming, swimming, swimmingAr yr wyneb
On the surfaceNofio, nofio, nofio, nofio, nofio, nofio, nofio
Swimming, swimming, swimming, swimming, swimming, swimming, swimmingTan y diwedd
'Til the end
Plisgyn ar ben y dwr
Shells above the waterGwymon gwyrdd yn darllen llyfr
Green seaweed reading a bookArnofio
FloatingArnofio
FloatingNofio, nofio, nofio, nofio, nofio, nofio, nofio
Swimming, swimming, swimming, swimming, swimming, swimming, swimmingAr yr wyneb
On the surfaceNofio, nofio, nofio, nofio, nofio, nofio, nofio
Swimming, swimming, swimming, swimming, swimming, swimming, swimmingTan y diwedd
'Til the end