The opportunity described on the Kumamoto JET page “will be mainly oriented towards study abroad students and ALTs/CIRs” but I think it should be open to all interested persons.

http://kumamotojet.com/shin/index.php/2016/01/07/noh-workshop-in-kumamoto-city-january-31/

By the way, the image I’ve attached to this post is from the following page:

http://www.japan-guide.com/e/e2091.html

– Kirk