Let's start off with Robert Johnson, the father of the blues, the man who basically took the blues out of the cotton fields and brought it to the masses...
Come On In My Kitchen - Robert Johnson (Country Blues)
How 'bout Muddy Waters, the man who brought the country blues to the city...
I Got My Mojo Workin' - Muddy Waters (Chicago Blues)
Then you have T-Bone Walker, the man who plugged in his guitar and invented the electric blues...
Call It Stormy Monday - T-Bone Walker (Electric Blues)
And of course, the King of the blues, the most popular blues artist of all time, BB King...
Night Life - BB King (Electric Blues)
This song is actually a cover of a Willie Nelson tune
There's also one of the greatest harmonica players ever, Little Walter...
My Babe - Little Walter (Chicago Blues)
The British got into the act in the 60's, and took the blues in a new direction...
Crossroads - Cream (British Blues/Rock)
All Your Love - John Mayall & the Bluesbreakers (British Blues)
How 'bout some Southern-fried Blues...
One Way Out - Allman Brothers (Southern Blues/Rock)
Train Train - Blackfoot (Southern Blues/Rock)
Traditional blues declined in popularity in the late 60's and 70's, but was single-handedly brought back to life by Stevie Ray Vaughan, quite possibly the greatest guitar player who ever lived...
The Things That I Used To Do - Stevie Ray Vaughan (Texas Blues)
Love Me Darlin' - Stevie Ray Vaughan
Dirty Pool - Stevie Ray Vaughan
After Stevie Ray's death in 1990, wanna-be guitarists came out of the woodwork, seeking to cash in on Stevie's success. Although some, like Kenny Wayne Shepherd and Jonny Lang, had some commercial success, a talent like Stevie Ray only comes along once in a generation. Here's a good example of an SRV wanna-be...
My Way Down - Chris Duarte (Texas Blues/Rock)
My last song recommendation is my personal favorite blues tune. It has everything: Mama dies, the singer goes broke, and his woman dumps him. Enjoy the Genius...
Hard Times - Ray Charles
If you wanna know how life shapes a blues artist, read these...
"Blues All Around Me: The Autobiography Of BB King" by BB King and David Ritz
"Stevie Ray Vaughan: Caught In The Crossfire" by Joe Nick Patoski and Bill Crawford
"Ray Charles: Man and Music" by Michael Lydon
Hope this all helps. As ZZ Top says, "Enjoy and get it on!"