https://www.youtube.com/watch?v=i8nlXmsrdtg&list=RDi8nlXmsrdtg&start_radio=1
https://www.youtube.com/watch?v=sluYmf6EVOU&list=RDsluYmf6EVOU&start_radio=1

This isn't the only one, but the first that came to my head. Hearing the 2004 version after having played UT99 for so long just made this shit feel surreal.