Kanye West has been a last minute add-on to this years Watermill Center Summer Benefit and Auction titled FADA: House of Madness. Mr. West is set to perform and will also debut an art installation in collaboration with Robert Wilson. Members of the event board this year include Lady Gaga, Marina Abramović, Jenny Holzer, and Nan Goldin. The event will be held at the Watermill Center in New York on July 30th. Participants have been gathered from 25 countries to create installations and perform over the 8-and-a-half acre grounds. Tickets are on sale now from $650-$100,000 and available here.