City Winery will host the official album release party for Napa Crossroads, a first-of-its-kind musical collaboration between five prestigious Napa Valley wineries — Silver Oak Cellars, Far Niente, Pride Mountain Vineyards, Gargiulo Vineyards, and Casa Piena — and David Pack, legendary producer, vocalist, and hit-maker (former singer-songwriter Ambrosia,) who conceived and produced the project.