This fall, Napa Valley’s Staglin Family Vineyard will host one of the season’s most meaningful and celebratory events: the 20th annual Music Festival for Brain Health. To date, the organizations founded by the Staglins—One Mind for Research and the International Mental Health Research Organization—have funneled nearly $200 million into cutting-edge research on cognitive health and brain science. This year’s event takes place on Saturday and Sunday, September 13 and 14. Saturday’s festivities include a scientif…