That is in fact an interesting sound.  I suspect somebody must have gotten bored and decided to see what kind of noise they could get the Lisa to produce.  I don't know what kind of facilities for playing sound the Office System has, but I know the Lisa's audio hardware is quite primitive (output of the shift register on one of the 6522 VIAs piped into some basic analog filters to smooth out the square waves, and an op-amp if I recall correctly).
.
On Friday, May 30, 2014 10:43:10 PM UTC-4, Tom Stepleton wrote:
Having just obtained a wide-carriage ImageWriter, I decided to make a video of what the printing experience is like in Office System 1.0. The noise it makes when it wants you to have a sheet of paper ready in the printer is a little startling... I'm not sure whether they kept that in 7/7, but I'll check at some point.

https://www.youtube.com/watch?v=XmdB8slMDZw

Cheers,
--Tom

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