This site, http://www3.sympatico.ca/g403z/has just about every john mayer song tabbed out. It is pretty accurate too.
Pub-til-Pub-skoa / Шystein Sunde
I`m Sure Buddy Would Know / Deacon Blue and Ricky Ross
Falling Down / The Mad Caddies
Sinking / Cause And Effect
If You Fall / Lucky 7
Mr. Gold / Warlock
Perfect Motion / drugstore
San Jacinto (Germany Version) / Peter Gabriel
Soulless / Grave
Part Of Me / Charlie Landsborough
Carolina Moon / Maureen McGovern