It includes establishments that produce radio programs and audio recordings such as lectures, aids, educational lessons, songs, etc., for use in the media and educational institutions, or for radio programs and sound recording institutions, or for recording shops for tapes and audio CDs, by producing them on audio tapes, CDs, or others through a radio studio owned by the establishment and in which it performs artistic production operations such as directing, recording, montage, etc. Or by renting the studio from a third party.