Thank you, Windswept, I had never heard of her before. I'm just listening to her album on her youtube profile:
https://www.youtube.com/playlist?list=PLE_QPNuG35Gq8hZA3I3SPFiDg78NQpF80some of her singing reminds me positively of Siouxsie and the Banshees though Anna Calvi doesn't have that dark and mysterious aura about her.