Where is the lost & found at the festival? Updated March 02, 2023 01:26 Lost & Found at the festival is located at the Info Booth. Visit the tent to drop off or claim a lost item. Related articles What are the location, dates & hours of Sound On Sound? Is there a current map of the festival grounds? Can I bring a child to the festival? If so, how much are tickets? Is the festival cashless? Water Stations