2
I think your problem might be that you're overwriting the metaDescribe variable on each iteration of your for loop at the end of your first example. Given that you know you'll only be dealing with two blocks, you could try replacing the loop with something like this:
{% set metaDescribe = artNameMat[0].artistName ~ ' ' ~ '(' ~ artNameMat[0]....
Only top voted, non community-wiki answers of a minimum length are eligible
