Few, if any, exhibitions during the past year were so beautifully conceived and installed as the retrospective of Trisha Brown’s work at the Addison Gallery of American Art—an achievement all the more impressive when considering the sheer diversity of production the show navigates. A dancer and choreographer who met Simone Forti and Yvonne Rainer in 1960 while studying in California, Brown heeded their encouragement to move to New York, where she would soon perform at Judson Church, engage the community around John Cage, and immerse herself in the collaborative culture of Happenings that was