Simple Beep

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Simple Beep is an alert sound introduced in Apple’s Macintosh System 7 operating system in 1991. It cannot be removed or renamed with SimpleSound or the Sound control panel.
The alert tone is a simple, short, dull (or sometimes glassy) ping.
==External links==
*Different Simple Beeps (Classic MacOS)? at Reddit (2018-01-23)
**AppleSimpleBeeps at SoundCloud
*e1 – Startup Chime at Simple Beep
Category:Apple history
Category:Apple sounds