Temp Music vs. Finished Music

I came across a short doc 34x25x26 in the YouTube screening room about female mannequins and how this company creates a beauty idea. It's got over a million hits (it's creepy watching men in a factory create female mannequin bodies). The filmmaker Jessie Epstein also posted a version using the temp music by Loscil (which is very experimental electronic-ambient music).

There is a lot of similarity in tone, and they both work, but I think one of them works a lot better than the other:

The temp version:



The final version: