the main verse riff is pretty easy: (spacing of notes not indicative of speed in song)
VERSE
this is done 2x for the intro, 8 times for the first verse.
BRIDGE
each holds for about 8 downstrokes, and is repeated twice for the bridge.
CHORUS
after the chorus they do the verse riff twice and then go into a palm mute type movement
the same chords where each is done twice with an open hand stroke on the third (listen