Song: Mr. Amsterdam
Artist: Sum 41
Album: Does This Look Infected?

pretty sure this is right

tuning: half step down (Gb Db Ab Eb)

Intro:
Gb:|-----------------------------------------
Db:|-----------------------------------------
Ab:|----------------------------------------- x1
Eb:|-0------0000-----0000----7----3----2--3-2

Gb:|--------------------------------------------------------------
Db:|------------------------------------7-5-----------------------
Ab:|------77777-----------------------------5--------------------- x1
Eb:|-0000------77777-7777-33333-3333-77------00000-0000-77777-7777

Gb:|-------------------------
Db:|-------------------------
Ab:|---------------------7\-- x1
Eb:|-33333-3333-2222-3220----

rest for 11 measures +1 beat (until guitar 16th notes end)

then: ("This revalation's got no meaning...")
Gb:|---------------------------------------------------------------------
Db:|-------554-4444--------4----5---------------7------------------------
Ab:|-10\-----------5333335--5777-5-5-5-5-333335---5---------------------- x1
Eb:|-----77----------------------------------------000000000--000000000--

Gb:|-------------------------------------------------------------------------
Db:|-------------------------------------------------------------------------
Ab:|-------------5555555----5-----------------------------------5555555----55 x1
Eb:|-333333333333-------7777--000000000--000000000--333333333333-------7777--

Gb:|--------------------------------------------
Db:|---554-4444---------4------5-------------7--
Ab:|-77--------5-333335---5-777-5-5-5-333335---5 x2
Eb:|--------------------------------------------

("...a resignation from me...")
Gb:|----------------------
Db:|----------------------
Ab:|-777777-7-7-333335-5-5 x2
Eb:|----------------------

Gb:|-------------------------------------------
Db:|--------------------------------------7-5--
Ab:|-----------------------------------55-----5 x2
Eb:|-000000-0000-777777-7777-333333-3-3--------

Gb:|-----------------------
Db:|-----------------------
Ab:|-------------------7\-- x1
Eb:|-33333333-2222322/-----

rest until guitar 16th notes end (6 measures +1 beat)

then (Don't tell me we're close to something that we don't even understand...)
Gb:|---------------------------------------------------------------
Db:|---------------------------------------------------------------
Ab:|-10\---7-5553-3332-------7-5-5333332--------------------------- x1
Eb:|-----0------------3322-0------------3322-000000000--000000000--

Gb:|-----------------------
Db:|-----------------------
Ab:|-------------555555--56 x2
Eb:|-333333333333-------7--

("I can't find the answers to save humanity...")
Gb:|---------------------------------------------------------------------------|
Db:|---554-4444--------4------5------------7-----------------------------------|
Ab:|-77--------5333335---5-777-5-5-5333335---5777777-7-77-333335-5-5777777-7-77|
Eb:|---------------------------------------------------------------------------|
                                                                               |
Gb:|-----------                                                                | x2
Db:|-55555-----                                                                |
Ab:|------5-5-5                                                                |
Eb:|-----------                                                                |

Gb:|---------------------------------------------
Db:|---------------------------------------------
Ab:|-------1-0----------1-0---------------------- x1
Eb:|-0---------3-0--00------3-0--00----0--0--0--0

1 measure rest then:
Gb:|------------------------------------------------------------------------------
Db:|------------------------------------------------------------------------------
Ab:|------------------1-0-------------------666----------------1-0-----------5-5\ x1
Eb:|-0000000000000000-----3-0000000000000000---0000000000000000----3-77777777-----

Gb:|----------------------------------------------------------------------------
Db:|----------------------------------------------------------------------------
Ab:|---------5-6------------------1-0-------------------666----------------1-0- x1
Eb:|-77777777----0000000000000000-----3-0000000000000000---000000000000000-----3

Gb:|-------------------------
Db:|-------------------------
Ab:|---------5-5\---------5-6 x1
Eb:|-77777777-----77777777---

Gb:|----------------------------------------
Db:|-----------------------------------7-54-
Ab:|-------------------------------5555----5 x2
Eb:|-00000-000077777-777733333-3333---------

Ending:
Gb:|---------------------------
Db:|---------------------------
Ab:|-55555-5555---------------- x1
Eb:|-----------0--0--0--0-000-1