Orville Carver wrote:
I'll go with... (subject to change)

Gals

10. Darlene Love
09. Janis Joplin
08. Grace Slick
07. Cass Elliot
06. Sister Rosetta Tharpe
05. Dusty Springfield
04. Aretha Franklin
03. Ella Fitgerald
02. Billie Holiday
01. Emmylou Harris

I'd replace Grace Slick with Mary Weiss, still a great list