Robert: Will it be a listening crowd or will it be a dance crowd. That will make a huge difference.
Here is a little cross section.
Buddy Guy: 99 and a half. five long years, Mustang Sally, Damn right I got the blues.
Eric Clapton: From the Robert Johnson album. Little queen of spades, Knd hearted woamn, If it had possession over judgment day, when you got a good friend
Kenney Wayne shepherd: Deja Voodoo, Blue on Black.
SRV: Cold Shot, Flooding down in texas, Mary had a little lamb and a ton of others
Red House,
Garry Moore: Story of the blues, The Hurt inside. Stormy Monday
Dire Straits actually have a couple, When it comes to you, and Fade to Black
Most of these are quick learners and readily available.