Among other things on view in the Swedish Pavilion at San Francisco’s fabled 1915 Panama-Pacific International Exposition were 16 traditional Swedish dolls — 3½ feet tall — exquisitely costumed in the traditional garb worn by dancers from the various regions of the Scandinavian kingdom. Dazzled, Mushet thought how cool it would be if Swedish dancers dressed in those beautiful costumes performed at the opening event of the yearlong centennial celebration of the famed 1915 fair, where millions of Americans first saw dancers from Bali, China, Spain and other cultures across the globe. Working with local Swedish dancer Brooke Babcock, Mushet arranged for a top group of traditional Swedish hoofers and musicians — led by Leif and Margareta Virtanen from Norberg, Sweden — to perform at the free public show in the City Hall Rotunda at noon Feb.