1)
What is the meaning of "Se'u Zimrah"?
1.
Radak: Raise voice of song.
2)
What is the meaning of "u'Snu Sof"?
1.
Radak #1: Sound the drum. This is like "va'Shem Nasan Kolo" (Yo'el 2:11).
2.
Radak #2: Put your hands to the drum (to play it).
3)
Is there a difference between "Kinor" and "Navel"?
1.
Rashi citing Shocher Tov #1: No.
2.
Rashi citing Shocher Tov #2: Yes; one has more strings than the other. It is called Nevel because it is Menavel all kinds of instruments (debases them, for they are so inferior).
3.
Radak: Yes; the verse mentions these, and the same applies to all musical instruments. Use them to thank and praise the Redeemer of Yisrael!
