For all the libraries in the Seattle, Washington area, the Sakura-Con is coming April 6 – 8.  Some guest have already been announced on AnimeNews Network, which include anime director Yoshiaki Kawajiri and cellist/vocalist Kanon Wakeshima.  You can find additional guest listed at the below links. http://www.animenewsnetwork.com/news/2012-02-20/sakura-con-to-host-ninja-scroll-kawajiri-singer-kanon-wakeshima http://www.animenewsnetwork.com/news/2012-02-20/sakura-con-to-host-madoka-magica-urobuchi-ninja-scroll-minowa