Two excerpts from De Materie, part I and part III (De Stijl) emerged recently. Wilson's dreamlike imagery worked very well with harsh repetitiveness of musical structures. Recordings are from the world premiere of the piece in 1989. Beppie Blankert, dancer/speaker James Doing, tenor Materie Orkest, Netherlands Chamber Choir, Reinbert de Leeuw, conductor Robert Wilson, staging director The Netherlands Opera
For all of you who were not in London for Prom 58 - broadcast including Steve Martland "Beat the Retreat", Louis Andriessen "De Staat" and Cornelis de Bondt "Doors Closed" (London premiere) is available here for six more days. And there is already detailed review of Prom 58 here.
Descriptive reviews from Guardian, The Independent, Evening Standard and Telegraph. As most often is seen, reviewers are more occupied by describing formal issues, than by denoting what new work problematizes in broader context of music and culture. Hot discussion about "The Hague Hacking" developed on rec.music.classical.recordings Google Group. Although occasionally banal, it offers more contextualization than official reviews.