eva cassidy's "fields of gold" gives me goose flesh. it's a wonderful love song.
https://www.youtube.com/watch?v=hKtqTYSOBCg&feature=fvst

alison krouss has that same affect on me...a divine voice...sweet, yet powerful.
https://www.youtube.com/watch?v=QjsjZWlRVvo
https://www.youtube.com/watch?v=Os8E_k8FwCY
https://www.youtube.com/watch?v=QoxhT8mKCx0

nana mouskouri is in that same class but she's not from the u s of eh. she's greek and perhaps the most recorded female vocalists ever.
http://www.last.fm/music/Nana+Mouskouri/+videos/+1-8xOmZo1qXMQ several full songs

most sopranos hitting and sustaining a high "c" or above can light my fire though.

emmylu harris had that gift also.
https://www.youtube.com/watch?v=PeBz2i-00x0&feature=related
https://www.youtube.com/watch?v=X2ymf0ln0Xw&feature=related