Hello i have already ear the music in trailer in other way...
i dont remembre where...
i think in an adroid dungeon game or in tv movie.

if you know the title or have any info on this please share me.

i tank you in advance

edit : the sound on the trailer is not on the Nam's original sound track https://www.youtube.com/watch?v=ELklZuXZD44
https://www.youtube.com/watch?v=l6ps6q56rdY&list=PLVYxDFqvzYahTpJA_zmq7orAWEo71v_fI