וְעִמָּהֶם֙ הֵימָ֣ן וִֽידוּת֔וּן וּשְׁאָר֙ הַבְּרוּרִ֔ים אֲשֶׁ֥ר נִקְּב֖וּ בְּשֵׁמ֑וֹת לְהֹדוֹת֙ לַֽיהוָ֔ה כִּ֥י לְעוֹלָ֖ם חַסְדּֽוֹ׃
E con loro vi erano Heman e Ieditun e gli altri scelti, che furono designati per nome, per rendere grazie al Signore, poiché la sua bontà dura in eterno;
Rashi
to Jeduthun The name of one of the singers, and there was also a musical instrument called Jeduthun. According to the Midrash Aggadah (Song Rabbah 4:1 [4]): concerning the edicts (דתות) and concerning the distressing laws and decrees that are decreed upon Israel.