The press event Andrew Loog Oldham staged the morning of June 11, 1964, Chicago

color photo of the Stones at Chess

In the USA these songs would be released on the 12x5 album later in the year; in the U.K. they would be issued immediately on the E.P. "5x5".  All five songs were recorded at the second session at Chess, June 11, 1964

Bigger than the Beatles?  See below, June 14, 1964, Melbourne.