Intro
E|-------2-------------3------------0-----
B|-----3---3---------3---3--------3---3---
G|---2-------2-----2-------2----2-------2-
D|-0-------------0------------0----------- reapeat x2
A|----------------------------------------
E|----------------------------------------
E|-------2-------------3------------0------0--
B|-----3---3---------3---3--------3---3----3--
G|---2-------2-----2-------2----2-------2--2--
D|-0-------------0------------0------------0--
A|--------------------------------------------
E|--------------------------------------------
Verse
D| x x 0 2 3 2 Seven x's
Dsus4| x x 0 2 3 3 seven x's Reapeat 2x
[ Tab from: https://www.guitartabs.cc/tabs/0-9/10_13/katie_tab.html ]
Asus4| x 0 0 2 3 0 Seven x's
B|--3----2----0--
Chorus
Dm| x 0 0 2 3 1
Reapeat 3x
Am| x 0 2 2 1 0
Slowly play this once
E|-------2----------------
B|-----3---3--------------
G|---2-------2--2---------
D|-0----------------------
A|------------------------
E|------------------------
Play verse over again and end in this slow version of intro|
E|-------2-------------3------------0------2--
B|-----3---3---------3---3--------3---3----3--
G|---2-------2-----2-------2----2-------2--2--
D|-0-------------0------------0------------0--
A|--------------------------------------------
E|--------------------------------------------