The general consensus is that basing fiction on real life isn't inherently bad. I'd even argue that building a fantasy culture on a real world culture is the opposite of lazy because it involves creative altering to fit your specific setting. Rare is the writer who simply knows everything about...
Also, I just wanted to add that in lots of cases, it's more the input of editors and beta readers that build up a writer to their own peak of 'genius'. Very rarely is it solely one writer's mind that's poured into the work.
I'm most on board with Devor's input. For me, I like a good balance of in-your-face action sequences and emotional intensity. You're not the only writer who struggles to find that balance. Perhaps a trial and error sort of thing will suit you for the time being. Write out a scene, put it up for...
I'm willing to take a look at your songs. I have a music degree--though I'm not sure how far that goes if it's just poems with no music set to them. I'd still be happy to help. 👍