1)
Why did they blow the Shofar?
1.
Malbim (Shmuel II, 6:15): It was to arouse Simchah.
2)
What is the meaning of "Mashmi'im bi'Nevaiim"?
1.
'Rashi', Radak: They sounded (played) the lyres.
3)
Were all Yisrael playing instruments?
1.
Malbim: It was all who knew how to play.
