I've never been sure of life after death never have lost anyone that i've cared deeply for. I beleive that when you love someone that deeply and they've passed and you're looking for some sort of communication from them you will find it. So in you're heart if you beleive that it was that person then it was that person. There's noone that can tell you different. I never beleived in that stuff before but I question it. I think there's a possibility. I was digging into my family tree and my great grandfather was a music teacher but one night I was searching things about him and I swear I heard a few notes play on my piano that is right here beside my computer. I can't really confirm nor deny. All I know is what I heard.