How I Met Your Mother Theme Song

by The Solids

Edit

The tab below is just a transposition of How I Met Your Mother's intro.
 
Guitar:
4 4 4 4 -4 -4 -4 -4
Vocals:
(Pa Pa Pa Pa)
4  5  -8  7
6  -6  6  4
-4  5  -5  5  -4
4  -4  5  -4  4  4
I got it by ear and I have played it with a C harmonica.
Anyway, I think it must also sound right in any other key.