וַיְכַ֣ל דָּוִ֔ד מֵהַעֲל֥וֹת הָעוֹלָ֖ה וְהַשְּׁלָמִ֑ים וַיְבָ֣רֶךְ אֶת־הָעָ֔ם בְּשֵׁ֖ם יְהוָ֥ה צְבָאֽוֹת׃
And when David had made an end of offering the burnt-offering and the peace-offerings, he blessed the people in the name of the LORD of hosts.
Read midrashic interpretation of II Samuel 6:18: and classical rabbinic exegesis.