Learn a little music theory
I promise it's not as hard as it looks, and the basic stuff won't affect your creativity in a negative way. There's a lot of stuff that may hurt your music, unless you're trying to write classical. I tried to watch a video on counterpoint species once and zoned out a minute in. Bleh.
Some music theory is widely practical though! My list isn't exhaustive, but it's a good start.
Three or more notes played together (chord) produce interesting effects.Playing those sets of notes in certain orders (chord progression) is radBut even better if you keep close to sets of notes (scales)Number those notes in the scale and you can fit chord progressions to different scales. This is what …