Generating music with macOS “say” command

If you want to record your Terminal output, here's a helpful answer:

https://unix.stackexchange.com/questions/396123/how-to-recor...

This will let you record from your built-in microphone.

If you want to record direct output, download Blackhole and route the audio through the virtual device: https://github.com/ExistentialAudio/BlackHole

Audio quality will need a bit of tweaking with gain.

I can’t try this right now but it seems cool. It would be great to be able to watch a demo video!