I don't fall in love with any of them, sorry! I know I'm hard to please (being a designer/writer and have designed book cover myself)... I like the graph from t

I don't fall in love with any of them, sorry! I know I'm hard to please (being a designer/writer and have designed book cover myself)... I like the graph from the white one best - because it's going upwards -> speeding up, louder, bolder, etc. But I like the overall feel from the black cover, 3rd one.