Are you fuhq'n kiddin' me?? 
Female vocalists that I enjoy listening to: 
Margo Timmins (Cowboy Junkies) 
Sequentia (early music) 
Anonymous 4 (early music) 
Cambridge Singers (the altos and sopranos) 
Kathleen Battle (opera) 
Cecelia Bartolli (opera) 
Michelle Shocked 
Jann Arden 
Sarah McLachlan 
Loreena McKennitt 
Shawn Colvin 
Enya, and sister Ma'ire Brennan (Clannad) 
The Rankin Family 
Shania Twain (and I don't even like country music, but hey, it's Shania...) 
Laurie Anderson (performance artist extraordinnaire) 
and who could forget Pat Benetar? 
  
Jeebus! I could go on ana on and on and on...  
  
You forgot your absolute fav- Celine.   
  
I was always partial to Joan Jett - dirty skank rocker chick = hot.