There are more than one words that could fit here
Club - Self-describing, it's the same in spanish
"a la discoteca" - Discoteca is that, a disco, a place for dancing and listening to music
Concierto - A concert
I could probably think of more, but I guess you have enough there. Choose the one you like best
This is correct. This is a reflexive verb that you are doing to yourself. This translates to, "Normally I brush the hair". If it was something like "Normalmente me cepillo el pelo de Anna" it would be incorrect because you are doing it to Anna, not yourself.
B. Es
Ella es inteligente; she is smart