This is not my work. It is from a fantastic creator called Gravemind. I recommend checking out his other work and supporting him however possible. Source link:
https://www.youtube.com/watch?v=ov6GgwnzHGw&t=383s
Listen to these audios on repeat. The more, the better. Train your mind. You become what you think about. You think about what feeds your mind. So feed it what you want it to think about through careful selection and repetition.