Many thanks to Joe Lafferty (Gun robh mìle math agad a charaid!) who generously writes (10 Oct 2022): This is a tune I composed and played for an interlude when Fearghas MacFhionnlaigh gave a public reading of his magnificent poem "A’ Mheanbhchuileag" (the Midge in English) at a festival in Dundee in early 1980's.
English online text of The Midge: HERE
Teacsa Gàidhlig dhen A’ Mheanbhchuileag: AN SEO
Purchase bilingual Scottish Gaelic & Irish language edition
with Irish translation by Simon Ó Faoláin: An Corrmhíoll