Queen + Adam Lambert to perform September 25 at Buenos Aires GEBA Stadium extending their South America tour which already has band playing three concerts in Brazil – including headlining Rock in Rio – and one date in Chile. Tickets for Buenos Aires concert on sale through http://www.TopShow.com.ar starting May 4th. Buenos Aires, Thursday 30 April: Queen + Adam Lambert have added an extra concert date to their forthcoming South America tour, today announcing a Buenos Aires, Argentina, show September 25 at the city’s GEBA Stadium. Tickets are on sale from May 4 at http://www.TopShow.com.ar. The added show brings Queen + Adam Lambert ‘s total number of September shows in South America to five.