Im not really versed in lighting like some of you guys here but here's a video of my house before and after lighting changes.

Before: https://www.youtube.com/watch?v=tS5A...ature=youtu.be

After: https://www.youtube.com/watch?v=NwgZ...nnel=RollRyuko

It pretty much rid of all the little shadowy corners and really removed a lot of the ambience.