This is pretty much how I hear it. The timing in the 
solos(the second one in particular) isn't spot on, but it 
should give you a basic idea of what Josh is doing.

If you'd like to improvise your own leads then I'd 
recommend the A-Dorian scale(The ''regular'' E-minor 
scale played with A as the root note.)

It should also be noted that I'm neither a drummer nor a 
bass player.

Cheers! /M.Cuddle