TUNING: Down a Half-Step (Eb Ab Db Gb Bb Eb)
It's much easier to just tune the guitar down and play the following chords:
Hm - F# - G - A
Sometimes he plays small variations of the G:
G7sus4 Gm7
E ----5------------3----------|-
B ----5------------3----------|-
G ----6------------4----------|-
D ----3------------3----------|-
A ----5------------5----------|-
E ----3------------3----------|-