(Credit: Staatsoper Unter den Linden / Marcus Ebener) The Staatsoper Unter den Linden in Berlin has announced its Barocktage. For the purposes of this article, we will focus on vocal works only. Here is a look. Baritone Adam Kutny kicks off the festival with the children opera “Theseus’ Reise in die Unterwelt.” Carolina Nees is the moderator. Performance Dates: Nov. {…}