This is sort of brutal really. If I was making a blues band...in the traditional or electric blues, not in the Judah bauer direction...
Drums...John Blackwell from New Power Generation...few have that stable of a groove.
Bass...Johnny B Gayden...if you have a blind pig or alligator early record...you have Johnny
Singer...No idea really, its so hard.
2 Guitar PLayers...Magic Slim, and Scott Holt
I think that band would be amazingly smooth and groovy
If I had to pick a super group...
2 guitar players...Thurston Moore and Dan Auerbach
Drummer...Sugar Sim Cain
Bass Player...Melvin Gibbs
Singer...Maybe Melvin from Tool
But if I had to pick the best band on the road right now...Prince's band. Interesting little internet rumor/sighting....Clatpon is rumored to have been in the house for 20 dates this past year. If Clapton is watching that is something.