Now if only the true origins of the Faked Windows 2000 Beta 3 startup and shutdown sounds can be found, perhaps those were sourced from the Linux distros or other Unix-based systems from the 90s.
We already have One UI Book as the official theme on Galaxy Books, but why are the One UI sound packs missing? (If this sound pack appears, this should be called Longhorn in addition to the existing themes of Galaxy, Fun, Calm, and Retro.)