In Naruto, many major characters have their own distinct soundtrack and Orochimaru is one of them:
It's an interesting soundtrack but the distinct thing about it is a background female voice in it says (at 1:29):
दिल की खामोशियों से बात न कर
Which will translate roughly into "Don't talk to the silence in the heart". Which seems like inspired from this heartful Hindi track:
But why it's there and what does it signify?