Nuts and Bolts: penillion.

This word sounds like a number with a very large number of noughts, but it's not. It's something much more interesting.

Penillion is the Welsh art of singing poetry to the accompaniment of a Welsh traditional melody, usually played on the harp. The singer's (often improvised) tune may be in triple time while the harpist plays in duple time, and the harpist will often ;play variations on the traditional tune. 

Here's a beautiful example:

Penillion often, as in that clip, forms part of the Welsh Arts competitions called Eisteddfodau.

Word To Enjoy Today: pennillion. This word is Welsh and means verses, from penill, verse. It's also called certhh dant, which means string music.