Related: Alex ('yaxu) went on to develop Tidal Cycles[1] (originally Tidal) in Haskell which is now reasonably popular (IIRC there's several albums available entirely done in TC.)
If you want a great overview of the current(ish) state of algorithmic music, he has also edited the Oxford Handbook of Algorithmic Music, which is very worthwhile.
And, in passing, basically spearheaded and popularized (amongst others) an entire culture around coding live on stage.