The 21st Annual Music Festival for Brain Health, which will be held on September 19 at Staglin Family Vineyard in Napa Valley, Calif., will feature events to tantalize every corner of the brain, including science lectures, a concert, a wine tasting, and a VIP dinner—all for an extremely good cause. Over the last two decades, the Music Festival for Brain Health—perennially held at the historic, 61-acre Napa Valley winery—has raised millions for brain-disorders research and treatment. This year’s festival will b…