This isn't a dance or tune that I know (at least, I don't think I do), so I've been asking around. From some comments I've received, it sounds like Ffansi Ffarmwr is the name of the dance, not the tune, but it may have transferred one to the other in popular use. Rhiain Bebb, who plays for two of our better dance teams tells me: "Gellir defnyddio unrhyw jig 32 bar. Mae’r Gymdeithas Ddawns yn awgrymu ‘Nant y Glyn’ allan o‘r llyfr ‘Cadw Twmpath’ fel enghraifft." Thought I'd just give Chris some practice. Translated: "Any 32 bar jig will do. The Dance Society suggests (the tune) 'Nant y Glyn' from the book 'Holding a Twmpath' for example."

If I find out more, I'll let you know.

siân