הַ֥לְלוּ יָ֨הּ ׀ כִּי־ט֭וֹב זַמְּרָ֣ה אֱלֹהֵ֑ינוּ כִּֽי־נָ֝עִים נָאוָ֥ה תְהִלָּֽה׃
Hallelujah; For it is good to sing praises unto our God; For it is pleasant, and praise is comely.
Read midrashic interpretation of Psalms 147:1: and classical rabbinic exegesis.