mastodon.social is one of the many independent Mastodon servers you can use to participate in the fediverse.
The original server operated by the Mastodon gGmbH non-profit

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01. users open your terminal (you must have ffmpeg package installed).

02. Type the following bash command

for i in {100..1000..100}; do ffplay -f lavfi -i "sine=frequency=${i}:duration=0.1" -autoexit -nodisp -loglevel quiet; done

03. Enjoy!

lemgandi

@nixCraft Dang it. A long time ago I gave a talk on the wonders of sox(1). I had a shell script that would use it to play happy birthday, but I can't find it now.