J-pop is a popular music in Japan. J-pop is a short name for Japanese pop, which means popular music or songs in Japan. Some people calls "歌謡曲" toward older songs. From around 1940s until recently, J-Pop has been influenced (affected) by Western popular music and culture. But new J-Pop nowadays sounds different than older J-Pop. This kind of music is common in Japan and it is often played by young and old music groups.