Haven't ripped the TTT soundtrack yet... Other than that:
The Foggy Dew—Sinead O’Connor; The Chieftains
Drawn to the Rhythm—Sarah McLachlan
River—Natalie Merchant; Susan McKeown
Strathgarry—Simon Wynberg
Evenstar {from The Lord of the Rings: The Two Towers}—Shane McDonnell
Rosemary Faire (Song of Lughnasadh)—Aine Minogue
Tribute to Peadar O’Donnell—Moving Hearts
Against the Wind—Maire Brennan
Pilgrim’s Way—Phil Coulter
My Heart Will Go On {from Titanic}—Rachel O’Donnell; Ryan O’Donnell
Way of the Warrior—Brian Dunning
Fields of Gold—Lisa Lynne
Behind Walls of Stone—David Arkenstone
Erin Gra Mo Chroi (Ireland of My Heart)—Cherish the Ladies
Now We Are Free {from Gladiator}—Lisa Cannon
Donal Agus Morag/The New-Rigged Ship—Altan
Chuaigh Ma ‘Na Rosann—Scartaglen
Siun Ni Dhuibhir—Relativity
Alasdair Mhic Cholla Ghasda—Capercaillie
The York Reel/Dancing Feet—Gerald Trimble
Last Rose of Summer/One World/Siuil A Run (Walk My Love)/Someday/Si Do Mhaimeo I (The Wealthy Widow)—Celtic Woman
Dragostea Din Tei—Ozone
Sugar We’re Goin Down—Fall-Out Boy
Before He Cheats—Carrie Underwood
Photograph—Nickelback
Over My Head/How to Save a Life—The Fray
Single/Unwritten/If You’re Gonna…—Natasha Bedingfield
Keep Holding On—Avril Lavigne
Breakaway/Behind These Hazel Eyes/Walk Away—Kelly Clarkson
Mixed Up—Corbin Bleu
And a few others... (I have a ridiculously long list of others that I need
)