Why is Jun-yup Koo called Cullen?

1996, Hejiang was originally discovered by South Korean musician Kim, so it was renamed as Cave Long and merged into Cave Long Group. According to public information, Kulong Group, a Jun-yup Koo group that once became the first generation of Korean Wave, has many representative works. Many domestic singers are proud to cooperate with Gulong Group and often cover the songs of Gulong Group. The original works of Korean Wave have laid a basic trend for the current Korean Wave music. Although their concerts are mixed with some European and American styles, the melody is relatively simple in the East and is deeply loved by all kinds of singers and fans.