I figured this out in a few minutes, so it s not perfect yet. But it s a good start...
He s got the whole guitar dropped half a step (so Db, not D like a lotta Keller tunes).
Then the chords are as follows... Keep in mind they re all relative to standard tuning,
while the first chord is played as an , it s actually a ... cool? Watch the video
he voices a lot of the chords in First position bar for his hammer on stuff
Verse
- - -
- - (crazy trill hammer on thing)
Pre Chorus is something like
- - -
Chorus is
- -
- -
- -
or something like that. Sorry this was semi rushed. As I work it out more I ll post.