Blues guitarist from Oakland, California. Also recorded it as Mercury Blues. Not to be confused with Hosie Dwine Craven's Mercury Boogie (on Mercury).
Steve Miller Band [at the Monterey Pop Festival and in hippie film Revolution]
American Blues [pre ZZ Top with Frank Beard & Dusty Hill as Mercury Blues]
David Lindley [as Mercury Blues]
Canned Heat [idem]
Dave Berry [all as Mercury Blues]