Mysterious and enigmatic creative commons soundtrack. Not for any footage but if you need that "odd" mood then it's the one.
My music is licensed under a Creative Commons License:
You are free to use the music in your multimedia project (online videos(youtube,...), websites, animations, etc.) as long as you credit me, For example: "Music: www.bensound.com" or "Royalty Free Music from Bensound"
All the downloads in Standard License with mp3 + wav, Licence Certificate and optional credits.