Vitaphone, as this system was now called, was publicly introduced on August 6, 1926, with the premiere of "Don Juan"; the first feature-length movie to employ a synchronized sound system of any type throughout, its soundtrack contained a musical score and added sound effects, but no recorded dialogue—in other words, it had been staged and shot as a silent film. Accompanying "Don Juan", however, were eight shorts of musical performances, mostly classical, as well as a four-minute filmed introduction by Will H. Hays, president of the Motion Picture Association of America, all with live-recorded sound. These were the first true sound films exhibited by a Hollywood studio. Warner Bros.' "The Better 'Ole", technically similar to "Don Juan", followed in October.