That One Night: Live in Buenos Aires

That One Night: Live in Buenos Aires is a live album from American heavy metal band Megadeth which was released on CD and DVD formats. It features a live concert recorded in Buenos Aires on October 9, 2005, at the Obras Sanitarias Stadium. The performance is segued by cuts of Dave and Glen performing a few acoustic songs for some fans on the lawn outside of the band's hotel. It was at this concert that Dave Mustaine announced that Megadeth would continue on past the 2005 tour.