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 . Then the chords are as follows... Keep in mind they're all relative to standard tuning, while the first chord is played as an F#, it's actually a G... cool? Watch the video he voices a lot of the chords in First position bar for his hammer on stuff Verse razy trill hammer on thing) Pre Chorus is something like c#m7 - B - A - B Chorus is B or something lik (guitaretab.com)