Um...From my resource, there is only Sofmap for this game around, and I took a quick look inside, there is a music file named maonama_themesong.mp3, not sure if this is what you are looking for or not, you can download and see it yourself ^_^
https://mega.co.nz/#!r0Y3ADYL!LXt71BLD5cX6gfGluvmgAh1u84EAUrN_-tKC_N3tWYs
https://mega.co.nz/#!r0Y3ADYL!LXt71BLD5cX6gfGluvmgAh1u84EAUrN_-tKC_N3tWYs