Those intending to visit South Korea seeking profit from performance of fine arts, literature, or music etc. would have to apply for the Short Term Employment [C4] visa.
This visa category is also for writers, photographers, composers, sculptors, and painters.
However, for a C4 to be granted, the period of stay in South Korea should be less than 90 days. For a stay involving 91 days and above, an E6 visa will have to be applied for instead.