Looking and experimenting with music

I was listening to jazz one day and stumbled upon this genre called 'noir jazz/ambient' which to me had a very deeply mysterious tone, I then thought about mixing it with some classical horror music to create subtle chilling effects.

I watched various YouTube videos, the ones I watched the most I have inserted below, my favourites were the film noir with music by Kevin Mcleod and the hunt classical song which I found on 

Marc v/d Meulen YouTube channel.