you will needed to download utorrent, but this link is safe I just used it last night it is all the bonus music like beyond the sea or you know doggy in the window e.c.t.
]http://thepiratebay.org/torrent/4395021/Bioshock_Soundtrack_[Oldies] note the link wont work through gaia so copy and paste...
and this is the soundtrack done by the main composer of the game
http://downloads.2kgames.com/bioshock/BioShock_Score.zipit's also safe, and if this does not work then just go here and read
http://www.vgblogger.com/?p=1521 
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