Halakhah sobre Sotá 9:11

In light of the above, it is not surprising to find that Chazal issued a number of restrictions regarding music. The Mishnah (Sotah 9:11) records that when the Sanhedrin (high rabinnic court) ceased to function, Chazal forbade song in the wine houses. The Yerushalmi (Sotah 9:12) explains the reason for this decree: “At first, people feared the authority of the Sanhedrin and would not introduce inappropriate content in song, but now [that the Sanhedrin has ceased to function], people no longer fear its authority and would introduce corrupt lyrics into music.”