This week's INSIDER was legendary rock vocalist Seo Moon Tak!  

She made her debut in 1999 and used her talent to venture into not only singing but being a radio DJ, act in musicals, and also is a professor.

You might have seen her on variety shows like "I’m A Singer", "Immortal Song", "Masked King", and more.

She performed for us and shared her journey in the singing world.

More is just a click away.