The greats include:
Etta James.
Lucinda Williams.
Sandy Denny.
Aretha Franklin.
PP Arnold.
Anne Peebles.
Irma Thomas.
Emmylou Harris.
Allison Moorer.
Dusty Springfield.
Maggie Bell.
Gloria Jones.
Bessie Smith.
Billie Holiday.
Wanda Jackson.
Lisa Kekaula.
Koko Taylor.
Mavis Staples.
Patti Smith.
and a few more.
They do not include:
Mariah Carey.
Celine Dion.
Whitney Houston.
Diana Krall.
etc.
Who have no soul.