More users are essential, especially those who will bring in their following from elsewhere. If a musician brings in their fans then they can have some support that will pay more than what they get elsewhere.
I just blog about what I am interested in with no real plan. Others have more of a plan. Despite that I get people saying they appreciate the posts.
It is true that posts about Hive get the most activity as that's the one interest wwe all have in common. I'll happily talk about geeky hardware and coding stuff as well as esoteric music. I have found a lot of cool musicians and comic artists who I enjoy.