Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
LXX

1 Chronicles 25:6

All these sang hymns with their father in the house of God, with cymbals, and lutes, and harps, for the service of the house of God, near the king, and Asaph, and Idithun, and Æman.

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