To become a producer, you mainly need to understand a variety of music and study the characteristics of each style, as well as the factors that affect the color of music works, etc. For example, if you want to make animation background music, you must first What kind of anime are you watching? Sci-fi? Epic? The former mostly uses modern and futuristic synthesizer sounds, while the latter mostly uses a large ensemble of acoustic instruments to express majestic momentum. In addition to these, you also need to understand the various rhythms and chords brought by Emotional color and the combination of various instruments. Although you have an electric piano certificate, it is just your recognition of the playing level of the electric piano. Of course, this skill is helpful to a musician. When you arrange keyboard instrument parts, you may be able to It comes in handy. If you want to become a producer, forget that you can play the piano and relearn the relevant knowledge. We often see that an excellent performer is not competent in production, but a person who is not proficient in playing any instrument can become a producer. Then you said to go to Japan. I highly recommend you to study hard if you have the opportunity. After all, Japanese music is in the front row in Asia