videos in AudioSet
A list of about a million ten-second YouTube clips, each labelled with the sounds in it, that Google published in 2017. Labs use it to train and test general audio and music models.
Including Microsoft Windows Startup and Log On Logo (1995-1998) with the 95-97 (1995-1997) Sound in G Major, Intel Inside Logo and the Intel URL (1997-1999), Microsoft Windows XP-Server 200x (2001-2010) Logoff and Shutdown Sounds