First, Salat is not just on Friday afternoon when the students are going to the bars. It's every day, 6 times a day, starting before the dawn. For Duke the times
appear to be:
6:07am
7:42am
12:18pm
2:52pm
5:12pm
6:30pm
Churchbells in most American cities aren't allowed to ring before 8am. But Salat is called
twice before then.
Secondly, these people need to buy a plane ticket and go visit a Muslim country for a while. The Kingdom of Jordan is gorgeous, has the major tourist site Petra, and has state sponsored mosques, where the tower some dude would climb up and sing from has now been replaced with these monster PA systems that bristle out of the towers. Seriously, they've got more speakers than a Death Metal band.
Every city in Jordan is full of dueling mosques trying to see who can have the loudest PA system screaming out their particular CD of songs. You know when they test all the civil defense sirens in town on a certain day at noon? It's like that every day, six times a day, starting at 6am.
It's not like anyone sings this shit live anymore, either. All the mosques just play different CDs over their lo-fi but insanely loud PA systems. There is no acknowledgement of progressive hearing loss from long term exposure to loud noise in arab countries.
Here's some kid trying to sell it hard to English speakers, but giving an idea of how fucking oppressively loud it is.
Then it becomes largely a mishmash once you get multiple mosques in the same area all going off at the same time trying to overplay each other, like in Amman, Jerash, or even Jerusalem.
There's a reason why western countries
have repeatedly fought against mosques having outside speakers, which is the first step in creating muslim ghettos by driving away all non-muslims. And violating OSHA noise standards. And pretty much every community noise control law there is.