@Spookydotpng @Master Coleman Fisto Sorry I know this is an old post but I wanted to reply to provide accurate information. Neither of you are actually correct, the OST track "Anakin's Dark Deeds" is an edit made of two different cues:
5m7 Anakin's Dark Deeds from 0:00-2:14,
and 6m1 It Can't Be from 2:14-end.
Only about half of It Can't Be appears on the album, the rest is unreleased (but is available in various videogames), this is what Spooky was referring to. "I'm So Sorry" is a common fan-made title for the cue on bootlegs
Here is the full unedited cue:
https://www.youtube.com/watch?v=ca-8RvRPDV0