1. For music producer, first, I'm taking a course from a professor, which should last for three years, he's a music producer. Moreover, I would love to go and visit one of my teacher's studio, he's working for Holly Wood movie production and I asked for a job experience, he told me to come whenever I would love and I could start from the very basic.
2.As a writer, I created my website for a year, and now, it's been given to another person, it posted different things that cover up lots of areas, but it mainly focus on the music part--the history of jazz, k-pop, and how it affectes the whole world. To continue, I have to ask back my account, and I should write more articles with more specific topics. Moreover, I should have more than one website.
3. Digital creator, I never did that, but it's basically just posting your dailys. Also, to be an infulencer, you needed a platform, and it's reasonable to "buy" fans.