Song: I Know Jack
Artist: Megadeth
Album: The System Has Failed
Tab'd: Matt Courte -> shortsleeves@hotmail.com

Chords

E5   G  A#5 Fdim
|---|---|---|---|
|---|---|---|---|
|---|---|---|---|
|---|---|---|---|
|-2-|-2-|-2-|-2-|
|-0-|-3-|-2-|-1-|

This riff is played thruout 
Last part only at end of song
|-5p3p0-------|-------------|-0-| < your choice: the 5 or 0
|-------5p3p0-|-8p5p0-5p3p0-|-5-|
|-------------|-------------|---|
|-------------|-------------|---|
|-------------|-------------|---|
|-------------|-------------|---|
|             |             |   |
|Harmony      |             |   |
|-8p5p0-------|-------------|-5-| 
|-------8p5p0-|-10p8p0-8p5p0|-10|
|-------------|-------------|---|
|-------------|-------------|---|
|-------------|-------------|---|
|-------------|-------------|---|

----------------------------------------
the picking is d d d dududu
2nd finger stays 2nd fret 5th string
3rd finger for 3rd fret 6th string
1st finger for 1st,2nd frets 6th string
Riff 1
E5 (022xxx@1)        G (320003@1)----- =====-=====
| | | | | | | | |
/ / / / / / / / /

Riff 2
G (320003@1)               A#5 (x133xx@1) Fdim (1201xx@1)    E5----- (022xxx@1)=====-===== ----- =====-=====  
| | | | | | | | | | | | | | | | | |
/ / / / / / / / / / / / / / / / / /

enjoy all 40 seconds of this song!