Credit: Lewis Jacobs/NBC

The Book of Secrets

Canada?s answer to Enya wanders even further into the musical woods on her seventh album, singing about ?riding o?er the land? and the ?fountain of forgiveness? to misty, Celtic-renaissance-fair pop. For all her New Age pretensions, though, McKennitt knows a hook when she hears it: ?The Mummers? Dance? is the most memorable tune ever written about a traditional, mask-wearing dance troupe.