וַיִּמְשְׁח֣וּ אֹת֡וֹ צָד֣וֹק הַכֹּהֵ֣ן וְנָתָן֩ הַנָּבִ֨יא לְמֶ֜לֶךְ בְּגִח֗וֹן וַיַּעֲל֤וּ מִשָּׁם֙ שְׂמֵחִ֔ים וַתֵּהֹ֖ם הַקִּרְיָ֑ה ה֥וּא הַקּ֖וֹל אֲשֶׁ֥ר שְׁמַעְתֶּֽם׃
And Zadok the priest and Nathan the prophet have anointed him king in Gihon; and they are come up from thence rejoicing, so that the city is in an uproar. This is the noise that ye have heard.
Read Kabbalistic (mystical) interpretations of I Kings 1:45: Zohar and classical Jewish mystical sources, free online.