《異種》原聲由Christopher Young 作曲。這是2008年再版的配樂。
科學家費殊負責領導一項高度機密的實驗——將外星人和人類的基因結合，以培育出超卓的人種，被培植的生命名叫“Sil”，迅速發育成為一個小女孩，但研究院認為情況未如理想，于是決定終止“Sil”的生命，怎料卻被其逃脫，費殊遂率領一群專家，追查“Sil”的下落，但他們并未察覺，“Sil”已經蛻變為美麗的21歲少女……
如果你喜歡Species的專輯《電影原聲 - Species (Special Collection)(異種)》里的歌曲，可以把下面的歌曲連接發給你的朋友:
1.Species - Species
http://m.20238.cn/ting/379364.html
2.A Vibrant Slime - Species
http://m.20238.cn/ting/379365.html
3.Protostar - Species
http://m.20238.cn/ting/379366.html
4.Ring Nebula - Species
http://m.20238.cn/ting/379367.html
5.Fever - Species
http://m.20238.cn/ting/379368.html
6.Are You Out There Somewhere? - Species
http://m.20238.cn/ting/379369.html
7.Species Feces - Species
http://m.20238.cn/ting/379370.html
8.Bax Max - Species
http://m.20238.cn/ting/379371.html
9.Milky Way Breasts - Species
http://m.20238.cn/ting/379372.html
10.Safe Sex - Species
http://m.20238.cn/ting/379373.html
11.Fever's Fever - Species
http://m.20238.cn/ting/379374.html
12.The Alien Underground - Species
http://m.20238.cn/ting/379375.html
13.Worm Hole - Species
http://m.20238.cn/ting/379376.html
14.Son Of Sil - Species
http://m.20238.cn/ting/379377.html
15.Star Bright (Bonus Synthesizer Tracks) - Species
http://m.20238.cn/ting/379378.html
16.Aetherian Universe - Species
http://m.20238.cn/ting/379379.html
17.How To Defend Yourself Against Alien Abducton - Species
http://m.20238.cn/ting/379380.html
18.Angel Hair - Species
http://m.20238.cn/ting/379381.html