first, you should learn music editing software, and refer to midi enthusiasts' websites or audio application websites to learn. Or find a teacher to learn, which is more intuitive and faster. Nowadays, many network companies or record companies need such talents.
second, the editing of words, the editing of home pages and content introduction of major websites, which was very popular before 24, is relatively low in technology. Now there are some declines, but there are still many large portals that need music editing.