I need to brainstrom a business plan for a singer to make a living? I need creative ideas?

I enjoy singing arias and art songs of my choosing. Especially the ones that I have learned throughout my childhood. I also enjoy singing art songs because they are plain and simple in various languages. I enjoy singing with a stand just in case I haven't fully memorized my music. I am thinking about making money basking. You know, as a street singer in the streets of New York, but I think that I may need a permit in some areas. Where do I get a permit and do i really need one? What ideas can we brainstorm here. I'd like to make a living out of this to support a family.