I think we can make some differences in music styles. I also like some minority music. The so-called minority is relatively unaffected by commercialization, not very popular, and is liked by a few people. These musicians generally don't sign contracts with record companies.

and these kinds of music, no matter what style, can be given a name or prefix Indie-

, that is, indie-pop, indie-rock and so on are all minority music.

But of course, indie can't fully meet your requirements, but I won't. Give me a reference ~~

Actually, experiment and others are relatively small ~ ~ ha, but I still think indie is the most representative ~ ~