It doesn't necessarily mean a new theme. I personally don't think they'll do two themes, especially since when RED CLIFF is released outside of Asia, it's going to be one shortened film. It'll probably use the same theme, if anything, a new remix of it, MAYBE resung, but not a whole new song.
I want them to suddenly announce that Gunjou no Tani is a double A with the drama theme, that'd at least be better for me financially x_x OR they could say "This is an album track to promote her album," that'd be good too, but it won't happen with alan as she's going I know it x_x
__________________
|