Boo headache, indeed.

  (Edited: )

Now that it is 3 a.m. in Germany, the headache is slowly subsiding - go figure :). Good to hear that you are still, albeit infrequently, exchanging your work for critique.
As for the concert: It was pretty damn cool and my recollection won't do it justice, but I've written down a few words nonetheless: Blog Post #12 :)