<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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19th century. Beethoven elevated <span>he symphony from an everyday genre produced in large quantities to a supreme form in which composers strove to reach the highest potential of music in just a few works.</span>
I think it’s important so that people don’t steal the artists work or take credit for what they worked hard on.