The TV show Roar used music from Loreena McKennitt.
Here is some of the music you can hear in the episodes:

Mystics Dream (Loreena Mckennitt) . . . . . Episode: Banshee
Full Circle (Loreena Mckennitt) . . . . . Episode: Tash
Cymbeline (Loreena McKennitt) . . . . . Episode: The Cage
Prospero's Speech (Loreena McKennitt) . . . . .Episode: Sweet Bridget



To Sample this music, visit the following sites:

Loreena McKennitt's Official Site: QuinlanRoad.com

Loreena McKennitt's Words & Music (Old Official Site)

Loreena McKennitt's Lyrics List