Maazel and his wife, Dietlinde Turban together operated a summer music festival called Castleton Festival at their Castleton, Virginia 600-acre (2.4 km2) estate, Castleton Farms.
Maazel i njegova žena Dietlinde Turban vode ljetnji glazbeni festival nazvan Castleton Festival na svom imanju od 2,4 km² Castleton u Virginiji.