Therefore at that time, when all the peoples heard the sound of the horn, flute, zither, lyre, harp, pipe, and all kinds of music, all the peoples, the nations, and the languages, fell down and worshiped the golden image that Nebuchadnezzar the king had set up.
We have no certainty concerning the date of this story, only that if this image, which Nebuchadnezzar dedicated, had any relation to that which he dreamed of, it is probable that it happened not long after that; some reckon it to be about the seventh year of Nebuchadnezzar, a year before Jehoiachin's captivity, in which Ezekiel was carried away. Observe, I. A golden image set up to be worshipped.
Commenting on Daniel 3:1-7
Therefore at that time,.... Such a severe edict being published, threatening with so terrible a punishment: when all the people heard the sound of the cornet, flute, harp, sackbut, psaltery, and all kinds of music; not only at Babylon, and that lived near the plain of Dura, but in all places where it was played: all the people, the nations, and the languages, fell down...
None of the Jews seem to have been present, except the officers, summoned specially.