> Thank you for sharing your knowledge on film music!
> The composers interest me most are actually the composers that try to take
> their heritage into the compositions: Takemitsu, Bela Bartok, Vuaghan
> Williams, even Yoon Isang.

Takemitsu definately is very intersting. I have been a bit more into his filmmusic like RAN for Akira Kurosawa than his concert work. Usually I have not so much trouble with atonal works - I listen to Penderecki and Ligeti quiet a lot - but Takemitsu's is a bit too shrill for my taste.
I have only recently discovered Bartok and find him very interesting. In part I guess, because through a friend from Hungary I have caught a glimpse at hungarian folk music - which Bartok's output is based upon and also through listenint to a performance of his opera BLUEBEARDS CASTLE. Lovely piece of music.
About Vaughan Williams not much needs to be said. I love his music!
If you're into artists taking their cultural heritages into account, might I suggest Geirr Tveitt to you. He was a norwegian composer and toured Europe a lot in the 30s. His style shows a lot of influence by impressionism but also by his native home of norway. He wrote a number of suites based on norwegian folk music called A HUNDRED HARDANGER TUNES. The music is not as modern sounding as other things done in that time, but it has a very timeless quality.
The other person I'd recommend is Jón Leifs from iceland. He studied in Germany but developed a purely icelandic style of music derived also from folksongs. His music is very very different to anything I have ever heard. It's like a mix of something really old and then something modern, with huge blocks of chords - usually in parallel fifth - and some sudden and complex percussion accents. In terms of epicness and stubborness on relying on his harmonic system you could call him the Hans Zimmer of his time . Although the methodology behind it is vastly different. Definately worth checking out are his four nature tone poems (DETTIFOSS, HEKLA, HAFIS and GEYSIR) as well as his EDDA Oratorium. Might be of interest to you, but it's a very different kind of music, so I can understand anyone who is turned off by it.

cheers
Flo