It is best to have some keyboard knowledge. If not, get to know the keyboard first.
If you play amateur music, you don't need to learn some basic music theories at a high level. You can make your own melody by using the universal orchestration method.
If you are going to join this trip, you will make a breakthrough in your research, and you will know something about various musical instrument techniques and chord functions. It is best to have a teacher to guide you.