The Smithsonian's Festival of American Folklife will return to the Washington Monument grounds this summer, June 24-28 and July 1-5.

The event, celebrating its 15th anniversary, is free to the public. Special features this year include demonstrations by Yugoslav-American cooks preparing roast lamb and traditional native dishes and performances by costumed Yugoslav musicians and dancers.

Also Southwestern U.S. craftworkers will demonstrate building a house of adobe.Southeastern craftsworkers will show how to make pottery, baskets and quilts, and some of their work will be for sale.There will be performances of the tent show era -- when performers traveled through the country giving minstrel shows, melodramas, medicine shows and patriotic lectures. And native American Ojibwe craftsworkers from Minnesota will carve pipe stems, make yarn bags, tan deerhide and demonstrate the steps in processing wild rice and constructing a wigwam. The Kingbird Singers from that area will sing traditional songs.

A Folklore of the Deaf area will be offered for the first time with special programs marking the International Year of Disabled Persons, and a Festival State Program will present the music and crafts of cultural groups from across the country.

Visitors to the festival will be able to buy Yugoslav and regional American food and a variety of crafts.

The Smithsonian estimates that during the past 14 festivals more than 10,000 craftsworkers, musicians and dancers have performed for more than 13 million visitors.