ABOUT BUNDSCHU COMPANY. Breaking Tradition for Six Generations—The Bundschu Company owns and operates Gundlach Bundschu Wine, Abbot’s Passage Supply Co, Echo Echo Wine and Huichica Music Festival in Sonoma Valley and beyond. Owned and managed by the Bundschu family for 160 years, the company has built a robust and storied wine industry legacy by continually looking forward and pushing boundaries on all sides. We are known for best-in-class wines,...