#1
I can't remember the name of the song or the band but it starts with some sort of organ/piano, it's a death metalish band from a few years ago and the tab goes something like
|------------------------
|------------------------
|------------------------
|--------------7-5-5-5--
|------5-5-5-7-----------
|----------------------


dun-dun-dun-da-do-dun-dun-dun

that's all I can remember.
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#2
This isn't a lot to go by... but if you can remember the proper way it goes, I recommend trying out Midomi.