Tuning: 
1/2 step down

Riff 1 (verse): 
Eb minor chord, stress notes E and B where possible.
This sounds close to Jerry:

Eb:------------|
Bb:---0--------|
Gb:---0--------|
Db:---2--------|
Ab:---2--------|
Eb:------------|

Riff 2 (verse): 
Eb:--------------------------------------------------------------------|
Bb:--0---0>>>3----3----3---2----2----1----1-----1{3----0---------------|
Gb:--------------------------------------------------------------------|
Db:--------------------------------------------------------------------|
Ab:--------------------------------------------------------------------|
Eb:--------------------------------------------------------------------|
       *-fool around with the open Eb on the 1 string a little

Riff 3 (verse): 
Eb:--------------------------------------------------------------------|
Bb:--------------------------------------------------------------------|
Gb:--------------------------------------------------------------------|
Db:--------2--2>>>4-----------2----------------------------------------|
Ab:--5---------------------5-----------2-------------------------------|
Eb:--------------------------------------------------------------------|
     = at this time, the same riff is simultaneously being played
       2 octaves higher

Riff 4 (pre-chorus): 
Eb:---------------------------------------------------------------------|
Bb:---------------------------------------------------------------------|
Gb:--5-------------3---------3--------------------------------------2---|
Db:--5-----2--3---4^half----4^half---4{5-----2---------2-----2----------|
Ab:--3---------------------------------------3-------3{4---------0------|
Eb:---------------------------------------------------------------------|

Riff 5 (chorus): 
Chords:   --C   D   G   A--     Each of these major chords gets full measure.
To get closer timing, start chords D and A on the 4th '+' beat of the measure.

>>> = slide to note
{ = hammer on
^ = bend