I never really liked classical singing, especially not female voices until I discovered Emma Kirkby. A wonderful clear voice.

Hear she is singing Dido's Lament from Purcell's Dido and Aneas

http://www.youtube.com/watch?v=iTV6F3lTU7o

And here she is singing Mozart; "Laudate Dominum" (Mozart at his most sublime)

http://www.youtube.com/watch?v=ZDmsInSvgPA