Internationally acclaimed celtic harpist Kim Robertson will visit Hammond this weekend to help celebrate the St. Lawrence County community's Scottish heritage.Robertson will host workshops for harpists, emcee a traditional Ceilidh on Saturday at 7 pm, and perform a Sunday concert at 4 pm, all at the Iva Smith Gallery.A pioneer in the American folk harp movement, Kim Robertson lives in Wisconsin. She's traveled and performed on the Celtic harp around the world, from concert halls to grass roots folk clubs.Kim Robertson says her musical career started with classical piano and harp. But she became intrigued by the sound of the Celtic harp, and even some of the legends that surround it.Todd Moe caught up with her via Skype.