David's Song may refer to King David's song of thanksgiving in the Hebrew Bible: in 2 Samuel 22, beginning "The Lord is my rock, and my fortress, and my deliverer" Psalm 18, beginning "I love you, O LORD, my strength" and continuing as in 2 Samuel 22 "David's Song", from The Heavy Entertainment Show, 2010 album by Robbie Williams "David's Song (Who'll Come With Me)", 1978 song originally performed by The Kelly Family
See also "A Song to David", a 1763 poem by Christopher Smart