must be aware of, and uniquely so when preaching any given psalm. Many psalms are a part of a larger group. So, while Psalm 148 is the cosmic anthem at the center, a powerful note is struck with the climactic declaration: “Let everything that has breath praise the Lord” (Ps. 150:6; cf. 145:21). Obviously, function can be multilayered within a psalm and the psalm’s larger unit (e.g., the Psalms of Ascent, 120–134). Ultimately, the whole Psalter and the entire canon comprise the “boundaries” for any
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