This Warner Bros. documentary short tells of their contribution to sound films which started with late sibling Sam's championing the Vitaphone process which contributed to the development of The Jazz Singer's success and the first all-talking picture Lights of New York of which a pertinent clip is shown. I'll just now say that this was quite an educational experience even though it was biased toward this particular studio's efforts. I'd now like to move on to another short on The Jazz Singer DVD that's not listed on this site: The Voice from the Screen. Hosted by Edward B. Craft, executive vice president of the Bell Telephone Laboratories, Inc., he presented before the New York Electrical Society on Oct. 27, 1926, the Vitaphone method of recording sound for film that-as filmed here-now looks very boring especially when there no cuts or different camera angles depicted even when having a director demonstrate filming the guitar-and-ukulele singing duo of Witt & Berg. At least that same duo is later in close-up when singing their next song. That one gets a two while the other short's rating is above...