Manchester Orchestra - Simple Math Chords & Tabs

Here is essentially the beginning of Simple Math, I couldn't figure out the harmony that 
the other guitarist plays though

[ Tab from: https://www.guitartabs.cc/tabs/m/manchester_orchestra/simple_math_tab.html ]
d#|---------------------------------------------------------------------------|
A#|--------------------------------------7--5--7--5---------------------------|
F#|----------7--9--11--9--7--9---12-------------------------------------------|
C#|---7--9--------------------------------------------------------------------|
G#|---------------------------------------------------------------------------|
D#|---------------------------------------------------------------------------|