Some think of home as a place thousands of miles away -- even those of us who were born in the Bay Area. Spark highlights artists who are preserving traditional art forms and handing them down from one generation to the next. Meet five generations of the Healy family, who have shared Irish culture with thousands of students through the Healy Irish Dance Studio. Then catch the aloha spirit as it spreads across the mainland through the work of groups like Halau 'o Keikiali'i. And hear the Mexican Heritage Plaza's Mariachi Youth Program passing along mariachi music and rich history to South Bay students.