Drop D Tuning (DAdGBe)

Intro:
first half second half
e|---0-1--0----|------------
B|-3--3-3--3-3-|---0-1--0---
G|--2----2--2--|-2--2-2--2-2 repeat both
d|0------------|--2----2--2-
A|-------------|0-----------
repeat only second half when bass and drums come in
than go back to playing the whole thing

right before heavy riff:
e|----------0
B|---0-----1-
G|-2--2---2--
d|--2----2---
A|0-----0----

heavy riff:
e|-----------------------------------------------
B|------16^---------------16^--------------------
G|------15^---------------15^--------------------
d|-0-0------3-3-x-x-x-2-2-----1-1--1/333---------
A|-0-0------3-3-x-x-x-2-2-----1-1--1/333---------
D|-0-0------3-3-x-x-x-2-2-----1-1--1/333---------

the bends can also be played like this
e|10^
B|10^

other riffs:

one:
G|-------12^
D|12-10-8---

two:
A---2---2^-----0-------
D-2---2------3---3-2^--

three:
G|7-7-777-7-101010-99-8888
D|7-7-777-7-101010-99-8888
A|5-5-555-5--8-8-8-77-6666
with light distortion, the strumming is off I think

four:
e|12121212------------1212121213131313
B|--------11|11|11|11|----------------
These are elevens twelves and thirteens (elevens are spaced so you can read it easier)