I don't just use social media. I study it. Sometimes I forget this is rare. A huge number of people use social media. Very few people work to learn its rules and quirks.
Thus, there are practices that I think are obvious. But looking at other people's properties, I get the feeling that is not the case. So to help share what I have learned, I am going to occasionally state the "obvious".
For instance, if on your band page on Facebook you have a post that is only text, the Facebook algorithm will squash it. It will limit the number of people who see that post to even fewer than normal. So make sure every post on your public page features: