I'm just taking a stab at this one
comments and corrections are more than welcome
Drop D, i think
------------------------------------------------------------|------------------------------------------------------------|------------------------------------------------------------|------------------------------------------------------------|--4----4--4-5----4----4--4-5----4----4--4-5----4----4--4-2--|--4----4--4-5----4----4--4-5----4----4--4-5----4----4--4-2--|
Solo Break
-------------------------------------------------|-------------------------------------------------|-14-12-12-14-12-12-14-12-14-12-12-14-12-12-14-12-|-------------------------------------------------|-------------------------------------------------|-------------------------------------------------| ..... ..... . ..... ..... .
. = Palm Mute