There are at least three lyrics threads, so I'm surprised no-one posted an abc or midi. There are two different tunes to which the song is sung )compare Na Casaidigh recordings to Altan recording); one of the tunes is published as sheet music in Ceolta Gael, edited by Seán Óg & Manus Ó Baoill, published by Mercier Press of Cork, Ireland.

threads:
ta/ mo cleamhnas a dhe/anamh

tá mo chleamhnas a dhéanamh

Tá mo chleamhas déanta