Can You Explain the Difference Between These Sentences?

I was in a band with my cousin Ollie called Sick Rock, and we did cover versions for birthday parties and stuff like that. I played bass and sang in that one. That's kind of like the last serious band I was in, really. Other than that, I was in the school band. Also, I've made lots of my own music too, no need to go into that any further. So there you go. Those are all the bands I've been in with limited levels of success. And so this is also have to staying have to stay have toStay have to stay. Right? It's a very slight difference. They're both correct. They just mean