Em
Let it rain,
        C
Let it Rain.
 G                        D
Open the flood gates of heaven

It's simple, but it works. Repeat however many times you wish. Let it be worshipful 
if it's done any other way, it gets boring and repetitive. At this point, I'm rambling 
the tab requires 300 characters in order to be used... I think that's god enough. :P

Enjoy :)