Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
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2 Chronicles 5:12

also the Levites who were the singers, all of them, even Asaph, Heman, Jeduthun, and their sons and their brothers, arrayed in fine linen, with cymbals and stringed instruments and harps, stood at the east end of the altar, and with them one hundred twenty priests sounding with trumpets);

Parallel Translations

LXXView canonical →
that all the singing Levites [assigned] to the sons of Asaph, to Æman, to Idithun, and to his sons, and to his brethren, of them that were clothed in linen garments, with cymbals and lutes and harps, [were] standing before the altar, and with them a hundred and twenty priests, blowing trumpets.
Brenton's Septuagint Translation
LXX2012View canonical →
that all the singing Levites [assigned] to the sons of Asaph, to Aeman, to Idithun, and to his sons, and to his brethren, of them that were clothed in linen garments, with cymbals and lutes and harps, [were] standing before the altar, and with them one hundred and twenty priests, blowing trumpets.
Septuagint in American English (2012)
KJVView canonical →
Also the Levites which were the singers, all of them of Asaph, of Heman, of Jeduthun, with their sons and their brethren, being arrayed in white linen, having cymbals and psalteries and harps, stood at the east end of the altar, and with them an hundred and twenty priests sounding with trumpets:)
King James Version

Cross References

Cross references via openbible.info (CC-BY)