With regard to Eva Cassidy you may also want to try her collaboration with Chuck brown titled, "The Other Side" on Cbd.music label. This could be one of her best.
Loreena McKennitt and Eva Cassidy
My fellow audiophools, twas you guys that turned me on to these guys. I just finished listening to The Book of Secrets and Cassidy's Live at Blues Alley. Wow! Where do I go from here with these guys? Which albums of theirs' next? Thanks in advance. warren