on annual concerts and in the past has featured acts such as the Russian National Orchestra, Dave Koz, Robert Cray, and Michael McDonald, In September, Ironstone hosts the Coucours d' Elegance car show as a fund-raiser for California youth agriculture programs. See also List of contemporary amphithea References External links Ironstone brands Ironstone Vineyards Sonoma Creek Wines Leaping Horse Vineyards Jack Kautz Blog Other Kautz family history Calaveras Winegrape Alliance Wineries in California Companies based in Calaveras County, California Tourist attractions in Calaveras County, California 1990 establishments in California American companies established in 1990 Food and drink companies established in 1990