Brid Harper’s, The Munster Lass, and Scully Casey’s performed on Nyckelharpa by Ryan Koons Nyckelharpa (Swedish folk instrument) trupassion — June 5, 2013 · 0 Comment Ryan Koons performs the Irish tunes, Brid Harper’s, The Munster Lass, and Scully Casey’s a Nyckelharpa built by Ken Koons. Koons Lass Scully