Either the local source is the electronic music production teacher of the Conservatory of Music, the arranger of the recording studio or the arranger studio, or the cooperative musician of the advertising game company. To find these people, you need to have certain contacts, otherwise others will not talk to you. After all, teaching students can't earn much money and waste time. As for those so-called arranger training classes, don't watch them once, which will make you pay the tuition for one and a half years and find that you can't learn anything and have no regrets.

Or look online.

The first requirement for finding a teacher is to look at the engineering documents that the teacher uses DAW to make music or arrange music. Of course, some people are more taboo, but they still need short-track audio projects.

The other is the experience of teaching students, preferably reading students' works.

After these two levels are determined, you can learn.