also, again, lots of history going on today, mitch morea zachaim, the author of the most influential book every written about coit tower, this book here, you have a rare opportunity to meet the author today and obtain a copy if you would like. this copy is for madame speaker. >> oh, thank you very much. >> judy irving, the producer and direct -- director of the document orie paris on telegraph hill, is here today and you can meet here. also we have arts and crafts. you can make a commemorative coit tower button. there is food in the back. all that is located in the southern part of the tower overlooking lily's lawn, and there's also information including the san francisco parks trust, ms. karen kid wel, who is right there, generously loan -- donated as part of being a diamond jubilee committee member. i'd like now to introduce mr. nick rause, san francisco native, saxophonist, who's requesting to perform "i left my heart in san francisco." ♪ ♪ [applause] >> i am not a big speech-maker, but i relish the idea of coming here today to share with you a very special graduation. i want to b