heh, cari makan, have to play those inorder to survive.
ambient, soundscape, harshnoise, experimental whatso ever, no one prolly be insane enough to do that in local context to earn a living.
anyway, other than sonicbrat, some of my other favourite locale soundart, ambient or left of the dial artist are aspidistrafly, jogn, mindfuckingboy and flica from malaysia. Some of it contained noise, sound, electronica style in it as well. Not entirely brian eno style, which imho is the essense of soundscape, ala free from any association and taking a life on its own.
another one from the forum here, his stuff is pretty nice as well
http://soft.com.sg/forum/open-mic/146497-new-album-release-encircling-free-download.html