I've looked through the transcripts of eleven speeches of Dr. Martin Luther King, Jr., dating from 1957 through April 3, 1968 (the day before his assassination), and found he referenced four church songs:
Jesus Shall Reign Where'er the Sun - lyrics ("Loving Your Enemies")
Free At Last - lyrics ("I Have A Dream")
Joshua Fit the Battle of Jericho - lyrics ("Our God Is Marching On")
Battle Hymn of the Republic - lyrics ("Our God Is Marching On" and "I've Been to the Mountaintop")
Do you know of any others that he referenced or enjoyed?
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