Hopefully if you're new to the Blues genre, this list will give you a starting point. Again, this is all my own personal opinion.
Featured track (changes often):
Cassandra Wilson Vietnam Blues
Big Jack Johnson - Cherry Tree
Blind John Davis-Jersey Cow Blues
Blind Willie Johnson - The Soul of a Man
Bruce Cockburn - The Soul of a Man (Blind Willie Johnson cover)
Bukka White-Parchman Farm Blues
Cassandra Wilson - Vietnam Blues (JB Lenoir Johnson cover)
Fabulous Thunderbirds - Wait on Time
Guy Davis - Uncle Tom's Dead
Howlin' Wolf - Smokestack Lightnin'
Hubert Sumlin - This Is the End, Little Girl
James Blood Ulmer - Are You Glad to Be in America
James Blood Ulmer - Katrina
JB Lenoir - Vietnam Blues
Jimi Hendrix - Red House
John Mooney - Buried Treasure
Junior Wells - Key to the Highway
Junior Wells - Vietcong Blues
Lightnin Hopkins - Buddy Browns blues (98 degree blues)
Magic Sam's Blues Band-I Have the Same Old Blues
Mississippi John Hurt-Chicken
Muddy Waters - You Can't Lose What You Ain't Never Had
Otis Rush - Trouble, Trouble
Ronnie Earl-Catfish Blues
Shuggie Otis-12-15 Slow Goonbash Blues
Son House-Preachin' Blues
Sonny Boy Williamson II-Keep Your Hands Out of My Pockets
Sonny Boy Williamson II-Nine Below Zero
Sonny Boy Williamson II-Cross My Heart
Sonny Boy Williamson II-Bring It on Home
Stevie Ray Vaughan & Double Trouble-Mary Had A Little Lamb
Taj Mahal-Cakewalk into Town
Willie Dixon-Spoonful
... much more to come....