The article is about popular music in East Asia including J-pop, K-pop, and C-pop.
First, J-pop (an abbreviation of Japanese pop) is a word that refers to popular music produced in Japan, since about 1993 after the word and concept were born around 1989. It becomes one of the genres of songs sung by young people.
Next, K-pop is a concept called “Korean pops” at the end of the 1980s, mass music of Korea. From the late 1980s, it was affected by the fact that the word “J-pop” began to be used in popular music in Japan.
From around the late 1990’s, the term “K-pop” was used by Japanese media to refer to Korean popular music as a comparative term in Japan.
Lastly, generally speaking, the popular music of Grater China is called C-pop. Many are sung in Mandarin and Cantonese. Many Mandarin (Taiwanese) are from Taiwan, and in Singapore and Malaysia it is not as much as English or Malay but it is sung. Many Cantonese originate from Hong Kong. (Hong Kong Pops) In recent years, Hong Kong artists who are conscious of the continent (People’s Republic of China, PRC) market and sing even in Mandarin is increasing.