Rather than a verse/chorus progression this cycles through a series of riffs in E with the aim of practicing the Phrygian major scale, this scale has an otherworldly sound. Talking of otherworldly the bassist started channeling Tutankhamun hence the sloppy playing, I don't think the boy king was any great shakes on the bass.
E Phrygian major(dominant) scale
Notice the three semitone jump from F to G#.
Prog Metal Backing Track, Tool Style, E Phrygian major/dominant scale
Aerosmith Style Backing Track