G————————————————————————————————————————————————————————————————
D———————————————————————————————————————3b——————3b———————————————
A———————3b——————3b——————3b——————3h55—303——55—303————————3b——————3
E—55—303——55—303——55—303——55—303——————————————————55—303——55—303—

G—————————————————————————————————
D————5—5————3b—3——————————————————
A—77——7—755———5—5——————3b——————3b—
E————————————————55—303——55—303———

This is how the song starts out but there is a whole bunch of other 
stuff in there that I have yet to figure out. If I do, Ill make 
a new tab. Even though it isnt the whole thing, you could still 
get away with doing this, but if you really want to switch it up...do 
something within the blues scale and it should be fine. For those 
of you who dont know what it looks like...

G———————————————5—7———————————————
D———————————5—7—————7—5———————————
A—————5—6—7—————————————7—6—5—————
E—5—8—————————————————————————8—5—

And for those of you who think its wrong, jack bruce uses this 
scale all the time in a lot of creams song, so even if a few notes 
arent in a standard blues scale...this can still work out, 
cause chances are jack based a lot of that extra stuff around 
this scale. And defiantly do this in A because thats the way 
it is done. Please dont be to harsh. Thanks, Conna Bonna!!!