Bullfrog,

If it was Planxty then it was Liam O Floinn on the Uileann Pipes, which are a form of bagpipes.

The singers name is pronounced Losser (rhymes with dosser, tosser) eena Knee Hun-eela (or something close to that). I think its a lovely name myself. The first name means the flame of wine. The surname is usually translated to Connolly. There have been previous threads about her singing and related to her version of Inisheer, which is the first time that I know of that words have been put to the tune.