Most of this riff is played on the high A string apart from one note, which is played on the E string:

           Em                                    C                 Bm
          
           /           /            /             /             /     /          play this part twice before moving on to next two bars
    A    7—7—10—7—-5—-        3—-5—-3—2—-

    E   ————————–         ——————–

    C   ————————–          ——————- 

    G  —————————-        ———————

           G                                   A
           /               /                   /             /
   A  ————————      –0-0–0-0–0-0–0-0—-

   E  —3-3–3-3–3-3–3-3–     ————————–

   C  ————————–    —————————

  G  ————————–     —————————

Chordshapes:

         Em   Bm   G      C      A

   A  —-2—-2—-2—-3—-0—

   E   —3—-2—-3—–0—-0–

   C  —4—–2—-2—–0—-1—

   G —4—–4—–0—–0—-2—

Play the riff with a friend, one of you doing the single notes for the riff while the other plays the chords with the suggested rythm as indicated by the slashes.

Enjoy and hope to see you soon again,
Eddie