Comment by thaumasiotes

> (how do you notate 'gradually increase the filter cutoff here'?)

Use freeform text; it's a standard part of musical notation. Just because most of what you see on a score is some form or another of shorthand doesn't mean everything is.

How do you think Tom Lehrer was able to indicate a tempo of "Pornissimo"?

https://tomlehrersongs.com/wp-content/uploads/2019/02/smut-m...