https://www.pcgamer.com/listen-to-leaked-audio-from-the-cyberpunk-2077-e3-demo/

While you or I still can't view the Cyberpunk 2077 gameplay demonstration shown behind closed doors at E3 2018, we can now listen to it, as the full audio of the presentation has leaked.

The files come via DSOGaming, which has posted the audio in two parts on Vocaroo: here's part one and part two.