The Book of Psalms, also known as the Psalter, is the first book of the third section of the Tanakh called Ketuvim, and a book of the Old Testament.
An 1880 Baxter process illustration of Psalm 23, from the Religious Tract Society's magazine The Sunday at Home
David composing the Psalms, Paris Psalter, 10th century
Psalm 11 in the ninth-century Utrecht Psalter, where the illustration of the text is often literal
David Playing the Harp by Jan de Bray, 1670
David was, originally, leader of the Tribe of Judah who became the second king of the united Kingdom of Israel, according to the Hebrew Bible and Old Testament.
Psalms
…book also includes psalms of communal thanksgiving, wisdom, pilgrimage, and other categories. Many of the psalms contain attributions to the name of King David and other Biblical figures, including Asaph, the sons of Korah, Moses, and Solomon. Davidic authorship of the Psalms is not accepted as a historical…
King David Playing the Harp (1622) by Gerard van Honthorst
King David in Prayer, by Pieter de Grebber (c. 1640)
Samuel anoints David, Dura-Europos synagogue, now in Syria, 3rd century AD.
David and Goliath (1888), colour lithograph by German artist Osmar Schindler