Some people see streaming as a bad thing because of the royalty amount paid, but as more and more people get on these services and stream music all day long, you'll be able to generate quite a bit of income from streaming.
I love visiting the Air and Space Museum. It always blows my mind how far we've come from the Wright Brothers in 1906 to modern space travel.
Focus on creating really good music and a great live show before doing anything else. If you have these two things in place, the other aspects of the business are much easier and almost take care of themselves.