this is what the piano plays but i put it on guitar so just listen to the piano for the
rhythm at one point it speeds up and the strumming pattern is a bit different but the
chords are the same. and since there isn't a very accurate chord progression i made my 
own here it is.

-------------------------------------------------------------------------------
                             fool in the rain - led zepplin
-------------------------------------------------------------------------------
Tabbed by:brett endsley
E-mail:frogyyy2@gmail.com

Tuning:E A D G B E , standard

e|---------------------------------------------------------------------------|
B|---------------------------------------------------------------------------|
G|-6-6-x-7--11--9------------------------------------------------------------|
D|-7-7-x-8--12--10-----------------------------------------------------------|
A|-7-7-x-8--12--10-----------------------------------------------------------|
E|---------------------------------------------------------------------------|

and thats it for the piano progression for the rest check out the guitar tabs made by
outers this was just for the rhythm

************************************

| /   slide up
| \   slide down
| H   hammer-on
| p   pull-off
| ~   vibrato
| +   harmonic
| x   Mute note
| B   Bend
| pb  Pre-bend
| br  Bend release
| pbr Pre-bend release
| brb Bend release bend

************************************