A discussion of the development of the Psalms, including Hebrew poetry, synoptic parallelism, and musical instruments such as the harp, kinnor, or lyre. It continues with types of psalms, structure of the Psalter, a discussion of the contribution of Gunkel, Mowinckel, and Dahood, Ugaritic, authorship, dating, technical terms such as Selah, and canonicity and authority of the Psalms.