My roommate is asleep... Should I turn the music on?

So it’s 4 am here and my roommate has been inviting her friends like usual and being extremely loud without asking me or anything. I am wearing ear plugs so it wasn’t that bad, but now I woke up and I really want to open music. Should I be considerate? If she is acting like she’s the only one in the house, shouldn’t I too?

Also 3 of her friends are here, would that be bad?