In addition to these concerts there will be 3 performances of the Stockhausen opera for children "Der kleine Harlekin", produced by Wiener Taschenoper, with Merve Kazukoglu, Paul Hübner, Steven Menotti, on May 18 - 20. And Merve told me, that in Kampnagel in May 2018 (maybe the 6th?) there will be a performance of DONNERSTAG, at least with the 3rd act, with the Basel team of musicians, conducted by Peter Eötvös. But I still could not verfy that on the website of Kampnagel. Maybe later.
I feel that it could be useful to have a discussion-forum on the music of Stockhausen. There are so many people from all over the world, young and old, learned and eager to get into contact with this musical world: musicologists, composers, musicians, music lovers; people who plan concerts - who write books or have to give lectures and so on. So there should be much stuff, many ideas that we can share. And when we have open questions, there may be people who studied just that and could give a hint or a stimulus.
A problem might be the English language, but i feel that is the only possibility that many people who are interested can participate. And we can exercise tolerance to mistakes!