Police began a search using closed circuit television footage, Szombat reported.
Tamas Irsai was a teenager when he last sang in the choir in Budapest's Rumbach synagogue during World War Two.
We are due to get a taste of the Middle East, albeit a musically presented historic slice, straight from Budapest.
This year’s games, which takes place at several venues, includes 20 categories, including swimming, chess, fencing, soccer and boxing.
Controversial historian Maria Schmidt is no longer involved in the project.