Who are your three favorite female singers?

I have favorites, but would like to hear from others.  Thanks
Thanks for posting that. It was Flower Song by those two that got me into opera. Once I dialed in my system, it all made sense. I simply melt every time I play it.

I forgot to mention Jacintha,
Shirley Horn, 
Melody Gardot

All the best,

Sarah Vaughn
Dinah Washington
Aretha Franklin 
Chaka Chan
Wanda Hutchinson (of The Emotions)
Tammy Terrell (with Marvin Gaye)
Phyllis Hyman
Joni Mitchell
Patti Labelle