I'm a great admirer of Julia, but I doubt it would appeal to those seeking a "tr...

I'm a great admirer of Julia, but I doubt it would appeal to those seeking a "true" lisp/scheme. Even if it's has a sane macro system, and much of the same power. You can indeed see s-expressions (search for "s-expression") :

https://docs.julialang.org/en/v1/manual/metaprogramming/inde...

This nice talk mentions a bit on how Julia is (not) a lisp (if I recall correctly):

"Julia: to Lisp or not to Lisp?": https://m.youtube.com/watch?v=dK3zRXhrFZY

This might also be of interest: https://tpapp.github.io/post/common-lisp-to-julia/

As well as (maybe) clasp: https://github.com/clasp-developers/clasp