Unless your a Kurd of course ,at one time they weren't allowed to sing in their own language
But it's not because of Islam; at one point black people were enslaved in the US too.
Non at all,really,you can see its benefit all over the Middle East
The previous Egyptian regime was mostly secular, and even persecuted Islamic parties. Look at where Egypt is now.
Tunisia barely allowed headscarves and was staunchly secular, and they still had an oppressive regime. Meanwhile, Turkey and Malaysia were doing just great and steadily progressing with pro-Islamic governments.