I do not know exacty the right answer
Because people are jealous and sad and there girlfriend breaks up with them for no reason at all. I'm sad in my life right now
<span>The Jazz Singer (1927) is historically significant because it featured several scenes with synchronous dialogue.
Synchronous sounds refer to any sounds whose origin can be seen on screen. So, if people are talking, you will see where the words are coming from. This is something that hadn't been done prior to the filming of The Jazz Singer, which was revolutionary.
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