Disney will live stream the Candlelight Processional during the Epcot International Festival of the Holidays on 3rd December, 2019.
The Candlelight Processional, which runs nightly during the festival, features a full orchestra, a mass choir and a celebrity who narrates the Christmas story from the Bible.
The ceremony will feature Neil Patrick Harris as the narrator. The live stream will start at 8:10pm (EDT).
To watch, simply visit the Disney Parks Blog on the 3rd December. The live stream will be the lead story.
Source: Disney Parks Blog