susan sa mi ya and julie is executive director and we have the ethnic artistic director. me start with you. the dance festival is celebrating 35 years. that is great. congratulations, what can we expect? >> the san francisco ethnic dance festival is largest multicultural festival in the world. we have four weekends in june. everyone is in complete costume and tradition. it's family friendly and a affordable. over 35 years, we are in touch with over 450 dance groups representing 100 cultures. we have showcased over 25,000 dancers from the age of six to 812. if you come to the festival you can expect to travel around the world learning about the cultures and traditions that make san francisco special. >> cheryl: one of those people that have been a long time c.k. you are a performer and you are the artistic director. we're going to take a look at some of the performances what the experience is like for you. >> performing in the festival is music and dances expert is a joy. >> cheryl: you teach dance at u.c. berkeley? >> i teach music. i teach music and you'll be dancing, to