<span>playing technique employed</span>
<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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Answer::ᴅᴏᴇs ɴᴏᴛ ʙᴇʟɪᴇᴠᴇ ᴛᴏᴍᴍʏ. :Bᴇʟɪᴇᴠᴇs ᴛʜᴀᴛ ᴀʟɪᴇɴs ᴄᴀᴜsᴇᴅ ᴛʜᴇ ᴘᴏᴡᴇʀ ᴏᴜᴛᴀɢᴇ. :Tʜɪɴᴋs sᴜɴ sᴘᴏᴛs ᴄᴀᴜsᴇᴅ ᴛʜᴇ ᴘᴏᴡᴇʀ ᴏᴜᴛᴀɢᴇ.:Dᴏᴇs ɴᴏᴛ ᴡᴀɴᴛ Tᴏᴍᴍʏ ᴛᴏ ᴛᴀʟᴋ ᴀʙᴏᴜᴛ ᴛʜᴇ ᴀʟɪᴇɴs
