Shed 7 - Chasing Rainbows Chords & Tabs

Artist: Shed 7
Song title: Chasing Rainbows


Stumbled on these chords when i was mucking about on my guitar...
[ Tab from: https://www.guitartabs.cc/tabs/s/shed_7/chasing_rainbows_crd.html ]
Chorus - 

G       D        Em       C

I've been [G] chasing rainbows [D] all my [C]life

then repeat