Did they steal/rip-off the trailer soundtrack or is it under fair use?
Trailer: https://www.youtube.com/watch?v=63ZiulhDI7M
Original:https://www.youtube.com/watch?v=n6jCJZEFIto(not an official link)
Because the background music of the trailer really sounds like "Tank" from Cowboy Bebop.
I'm just inquiring. I don't have much knowledge on copyright laws so factual statements would be welcome.