OK, here are corrected links:

Here's Carolan's Concerto, performed by John Williams and Timothy Kain on guitars.
Go to this page and then click on cut #9.

Here's Carolan's Concerto, performed by John Whelan on accordion.
Go to this page and then click on cut #13.

Here's Eleanor Plunkett, performed by Rachel van Voorhees on harp
Go to this page and then click on cut #7.

(Caution: before playing the following cut, make sure Windows Media Player is stopped. Otherwise you will have 2 tunes playing at once.)
Here's Eleanor Plunkett, performed by Anne Benson on hammered dulcimer and Ken Steffenson on guitar. (AIFF format).