you're telling me that people went to the trouble of modding in a native code plugin to Deus Ex to replace the crude mod tracker-based dynamic music system with plain Oggs, and they were so indifferent to what they were doing that literally the only controls provided1 are "play file" and "immediately stop playing file"
now I'm not a sound guy by any means, but
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as far as I can tell, because this was one of those modding scenes afflicted with Tee Hee, This Is My Own Very Special Secret Sauce And Nobody Can Share It