'Loudly' in the Bible

Then the Levites -- Jeshua, Binnui, Kadmiel, Shebaniah, Bunni, Sherebiah, Bani, and Kenani -- stood on the steps and called out loudly to the LORD their God.

and also Maaseiah, Shemaiah, Eleazar, Uzzi, Jehohanan, Malkijah, Elam, and Ezer. The choirs sang loudly under the direction of Jezrahiah.