Copyright royalties are a fee for authors, composers and publishers. They are entitled to this fee when their works are used in public. For example, if you use or show works by composers, writers, filmmakers,… at your event or in your business.
The Fair Remuneration, i.e. the banner under which neighbouring rights royalties are invoiced, is a fee for music producers, artists and musicians. They are entitled to this fee when their (music) recording is played in public. For example, if you play recorded music during an event or in the background in a bar, restaurant, hairdressing salon, shop, etc.