[2] The minjung-gayo specifically includes the anti-Japanese songs from the Japanese colonial era, which continued until the early 1970s, and generally refers to the culture that began to mature in the late 1970s and which lasted until 1990.[3] The subject matter of these early songs heavily criticized pop music or had a theme of overcoming hardship.[3] The unique criticism by university students during this time period established the base of Korean protest songs.[3] The short "Spring of Democracy" in 1979, which came after the assassination of Park Chung-hee (or the "10.26 situation") was a chance for student movements to display the minjung-gayo in public demonstrations.The first regular performance of 'People-seeking music' was held in Korean churches for the 100th anniversary memorial in October 1987, after the great labor conflict in mid-to-late 1987.At that time, he met Helen Yang, his primary school friend, and wrote her a song named 'Morning dew' (Hangul: 아침 이슬), released in 1970.The group's albums were commercially successful and have made a strong impact in Korean pop music history.