First 50 tracks generated by the Pandora algo:

Etta James -- All I Could Do Is Cry
Ray Charles -- I Got A Woman
Sam Cooke --A Change Is Gonna Come
Otis Redding --Send Me Some Lovin'
Etta James -- At Last
Etta Jones -- Till There Was You [not familiar with her, liked it]
Ray Charles -- Fever (feat. Natalie Cole)
Buddy Guy --Ain't No Sunshine (feat. Tracy Chapman)
Etta James --Don't Cry Baby
Billie Holiday -- Easy Living
Aretha Franklin --The Weight
Otis Redding -- These Arms Of Mine (Live)
The Penguins -- Earth Angel (Will You Be Mine)
Sam Cooke --One More Time Etta James -- I Prefer You
Al Green -- Here I Am (Come And Take Me)
The Flamingos -- I Only Have Eyes For You
Billie Holiday -- I Must Have That Man
Etta James -- My Dearest Darling
Otis Redding -- A Fool For You
Billie Holiday -- These Foolish Things
Natalie Cole -- The Very Thought Of You [underwhelming, she's only somebody's daughter]
Dusty Springfield -- Son Of A Preacher Man
Melody Gardot -- Quiet Fire
Etta James -- Lovin' Arms [good one, who else has covered?]
Little Willie John -- Fever
Otis Redding & Carla Thomas -- Tell It Like It Is
Aretha Franklin -- Let It Be
Sam Cooke -- There'll Be No Second Time
Nat King Cole -- Smile
Garnet Mimms -- It's Just A Matter Of Time
Billie Holiday -- Gee Baby Ain't I Good To You
Ann Peebles -- I Can't Stand The Rain
Dean Martin -- Sway
Ray Charles -- Mess Around
Etta James -- W-O-M-A-N
Bobby Darin -- Dream Lover
Percy Sledge -- You've Really Got A Hold On Me
Otis Redding -- Cupid
Mable John -- You Made A Fool Out Of Me
Ray Charles -- Uchain My Heart
Elkie Brooks -- I'd Rather Go Blind
Otis Redding -- Something Is Worrying Me
Billie Holiday -- They Can't Take That Away From Me
Etta James -- At Last (Live)
Nina Simone -- In The Dark
Ray Charles -- Don't Set Me Free [backing vocals good]
Ella Fitzgerald -- I Ain't Got Nothing But The Blues
Al Green -- What It's All About
Frank Sinatra & Count Basie -- Fly Me To The Moon (In Other Words)
Melody Gardot -- Worrisome Heart