When the CD format was created, there was no need to include metadata information such as song title, album name, artist, and genre.
Mgbe e mepụtara usoro CD ahụ, ọ bụghị mkpa (ma ọ bụ nlezianya) iji tinye ozi ndị metadata dị ka aha egwu, aha ọba, omenkà, ụdị, wdg.