Now, Japanese new music from the 70s to the 80s is very popular in the world under the name of "City Pop." Songs such as Tatsuro Yamashita and Mariya Takeuchi have become popular all over the world. The comment section of videos and SNS is full of English comments. In addition, "Anison" spread all over the world with the popularity of anime. Why are foreigners fascinated by the theme songs of Japanese anime? We will delve into the charm of "Japanese songs" that change with the times and the evaluation also changes from the perspective of foreigners.