The above text is given in Peter Kennedy's Folksongs of Britain and Ireland (1975), though with a different translation (presumably by Noel Hamilton, who recorded the song from Mary Doohan of Baile Thiar in 1967).  See also these previous discussions:

Lyr/Chords Req: The Brown and the Yellow Ale

james joyce yellow ale

And, in the DT:

THE BROWN AND THE YELLOW ALE

And, if you aren't eating or drinking anything you might choke on:

THE BROWN AND YELLOW EARL

A midi of (a) tune for the song can be heard via the  Mudcat Midi Pages:

Brown and the Yellow Ale

I found that on somebody's website ages ago, without realising that I already had a better transcription in Kennedy's book.  A midi made from that notation can be heard, as usual, via the  South Riding Folk Network site:

Londubh Buí