The B part is not quite what you posted.
e'|f'g'f'g' e'f'e'f'|f'g'f'g' e'f'e'f'|d'e'd'e' c'd'c'd'|d'e'd'e' c'd'c'd'|bc'bc' abab|bc'bc' abc'a|bc'd'e' f'e'd'c'| d

It's the dede bits that are hard and I wondered if there was an easier fingering.

And is there a fools guide to writing out music using letters anywhere, I'm not sure if I've done it right.

I did have a fiddle once, I don't know why everyone complained and told me to give up. After all I was nearer to it.
Think I'll stick to playing one instrument badly.