יְהוִ֤הּ אֲדֹנָי֙ חֵילִ֔י וַיָּ֤שֶׂם רַגְלַי֙ כָּֽאַיָּל֔וֹת וְעַ֥ל בָּמוֹתַ֖י יַדְרִכֵ֑נִי לַמְנַצֵּ֖חַ בִּנְגִינוֹתָֽי׃
Gott der Herr ist meine Kraft, er macht meine Füße wie die der Hirschkühe und lässt mich einherschreiten auf meinen Höhen. Dem Sangmeister auf dem Saitenspiele.
Rashi on Habakkuk
To the conductor [to play] with my melodies To the Levite who conducts the music in the Temple. I will compose for him [the Levites’ conductor] with my melodies, and the Levite[s] will accompany him with musical instruments.
Rashi on Habakkuk
To the conductor As it is stated (Ezra 3:8) “... appointed the Levites from twenty years old and upward to superintend the work of the house of the Lord.”
Rashi on Habakkuk
with my melodies This is an expression of a vocal melody to raise and lower, orgenedors in O.F.