Song: Brain Stew
Artist: Green Day
Album: Insomniac

tuning - Eb Ab Db Gb Bb eb

x=mute

eb|-------------------------------|
Bb|-------------------------------|
Gb|-------------------------------|
Db|-7-7-x--5-5-x--4-4-x--3-3--2-2-|
Ab|-7-7-x--5-5-x--4-4-x--3-3--2-2-|
Eb|-5-5-x--3-3-x--2-2-x--1-1--0-0-|

After that it repeats and stuff. The whole song isnt just this, but variations of this.
Practice with it.