See also Hymn book, hymnal
Psalms are religious songs. A remarkable example of the motif in the fairy tales and stories of Hans Christian Andersen is At the Uttermost Parts of the Sea. The title is a quote from psalm 139 of the bible's book of Psalms, a psalm by David.
The heavens were lit by constant flashes, and bolt upon bolt of thunder crashed. But the sister and brothers clasped each other's hands and sang a psalm, which comforted them and gave them courage.