My favorite of all-time is probably Derek and the Dominos, which was together for only one album--a brilliant, all-time great album. Eric Clapton played lead guitar and sang, Duane Allman also contributed on guitar. The rest of the band could hardly be called famous but they were all skilled pros.
My current favorite is the Ohio-based power duo The Black Keys. Dan Auerbach plays guitar and sings, Patrick Carney plays the drums. Outstanding old-school blues rock.
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