Thanks to Longhorn for help on this.

Happy Is A Yuppie Word (Don't let the song scare you. It's extremely easy.
Switchfoot-Nothing Is Sound

C5- x355xx G5-355xxx
F#-254xxx Csus-x3301x
G-3554xx A-5776

Intro:
-------------------
-1-3-5----1-3-----
---------2------2-
-------------------
-------------------
-------------------
Background Palm Muted:
C5 F# x4 G G5 Csus C5 F# G G5 Csus

Verse: C5 F# G G5 Csus x3
C5 F#

Pre-chorus (When will all the fighting end?): C5 Csus x2

1st Chorus: A G F# G x2

Verse again

2nd Chorus A G F# G x4

C F# G Csus repeated many times during bridge

When the music gets to “Nothing is Sound!”, the chorus is played over and over. 
The Chorus continues through the rest of the song.