The one thing that you simply have to remember all the time that you are there, is that Hollywood is an oriental city. As long as you do that you might survive. If you try to equate it with anything else you'll perish.
I don't really like to go out to clubs or anything. It's just not my style. I'd much rather go to a dive bar or a local place.
Jazz is there and gone. It happens. You have to be present for it. That simple.