1)
What is "Shavas Mesos Tupim"?
1.
Rashi: You used to say "v'Hine Sason v'Simchah" (22:13). (This ceased.)
2.
Radak: They used to rejoice in the banquet house with drums and harps; now, it ceased.
3.
Malbim: Because wine ceased, the dances that they used to do with drums ceased. The drum is special for dances. Therefore, "the noise of their Simchah ceased."
2)
What is "Shavas Mesos Kinor"?
1.
Refer to 24:8:1:1-2.
2.
Malbim: The harp is not for dancing, just to arouse Simchah of the Nefesh. All Simchah departed.