Yeah Nyquist is cool too, just got the book. I believe Common Music preceded both Extempore and Nyquist in that regard, and also uses a TinyScheme descendent, s7 Scheme. I use s7 in Scheme For Max for temporal recursion too.

Demo of temporal recursion in Scheme for Max here: https://youtu.be/pg7B8h4yHkU

And my tutorial on it: https://iainctduncan.github.io/s4m-stk/