Chronicles II 15:14

14 And they swore to the Lord with a loud voice, and with trumpets, and with cornets.

Chronicles II 15:14 Meaning and Commentary

2 Chronicles 15:14

And they sware unto the Lord with a loud voice
As not being ashamed of the oath they took, and that there might be witnesses of it, and that it might be clear they did not equivocate in but expressed themselves in plain words:

and with shouting, and with trumpets, and with cornets;
showing that the oath was not extorted from them unwillingly, but that they took it with the utmost cheerfulness, and with all the demonstrations of joy and gladness imaginable.

Chronicles II 15:14 In-Context

12 And he entered into a covenant that they should seek the Lord God of their fathers with all their heart and with all their soul.
13 And that whoever should not seek the Lord God of Israel, should die, whether young or old, whether man or woman.
14 And they swore to the Lord with a loud voice, and with trumpets, and with cornets.
15 And all Juda rejoiced concerning the oath: for they swore with all their heart, and they sought him with all their desires; and he was found of them: and the Lord gave them rest round about.
16 And he removed Maacha his mother from being priestess to Astarte; and he cut down the idol, and burnt it in the brook of Kedron.

The Brenton translation of the Septuagint is in the public domain.