Can spectrogram lie about audio quality?

I thought I had this figured out

But I just do not know what's happening in this file: http://lilfile.com/tWJoGi

It is suppose to be FLAC and looks like it- but aside from that incomplete horizontal line

Spectro specifically tells that this is the cut-of line [the point where the faking begins]. But it should go all the way. And also what is above it looks quite natural. But I do hear some things in it that make me wonder, if there were compressed indeed. And there are other examples like that on that FLAC album that this files comes from

The only explanation for this that I can think of is that parts of this file were made [mixed] from different recordings / tracks. But that doesn't make much sense- why would original score, written by one composer and [as to my knowledge] conducted and sometimes recorder by him, be of different quality? Something like that is to be expected if you create music using samples [like The Prodigy does]- but not in a film music compositions