Yes, it became KeyKit: https://github.com/nosuchtim/keykit

Tim recorded a demo video of Keynote in 1994: https://www.youtube.com/watch?v=-c-O57J9W-E

His website: https://timthompson.com/tjt/

On Tue, Nov 8, 2022 at 7:03 PM Kevin Bowling <kevin.bowling@kev009.com> wrote:
Does anyone know if this made it outside the labs?
https://www.usenix.org/legacy/publications/compsystems/1990/spr_thompson.pdf

I have a rack of outboard synths and samplers, it would be
entertaining to run them with an awk-analogue.