standard tuning
[ Tab from: https://www.guitartabs.cc/tabs/s/simple_plan/untitled_tab_ver_3.html ]
|-------------------------------------------------8--6--4-6-4--9-8--4-------|
|---------------------------------------------------------------------4-6-4-|
|-----------------5--3--1--3----1--3--5--6--8--10---------------------------|
|----------1--3-------------------------------------------------------------|
|----4----------------------------------------------------------------------|
|---------------------------------------------------------------------------|
this is the only guitar part in the song... enjoy!