Summary: Have you ever heard of Keith Norman MacDonald? He was a Skyeman. He was born in 1834. He was a doctor. But he was famous for collecting and publishing the music of the Gaels. This year, his collection of puirt-Ã -beul appeared anew in print. Find out more about the man in this weekâs letter. Accompanying text is available in both English and Gaelic at bbc.co.uk/litirbheag