The article presents chapter VII of the book "The Music of the Nations," by Helena Heath. It focuses on the music of Ireland, Scotland, and Wales. It says that harp is the national instrument of Ireland and Wales while the oldest Irish harp was used by King Brian Boru and can be found in the library of Trinity College in Dublin, Ireland. Moreover, it states that the harp of Queen Mary of Scots is one of the oldest and most beautiful Scotch harps which is now owned by the Stewarts of Galguse.