"For the director of music" indicated that a psalm was intended for public worship.  The Christian hymns/materials on this site are similarly intended for review/use by pastors, choir directors and worship planners.

New hymn: "When Will I Walk" - Inspired by the statement of Augustine, "Lord, our hearts are not at rest until they find their rest in you," this original hymn expresses the Christian's longing for heaven.  Find it at at original hymns.