When you establish your personal brand as a musician, here are a couple of things to keep in mind. 

1. More is not always better - Do not overload your audience's newsfeed by feeding irrelevant content that can potentially harm your brand.

2. The single best way to maintain your reputation is to do things you're proud of - Your reputation is something that you will have to live with in the long term. Therefore, live the life you have taught people to expect from you.  

[UPDATE]

So, what exactly constitutes a brand value and what does not?