K-pop ( or Korean pop), gayo (가요) in Korean,  is a South korean musical style that is mostly associated with sharp dance routines and fashionable, colorful outfits combining bubblegum pop with the musical elements of electro, disco, rock, R&B, and hip-hop.

The singers are systematically  trained with  the biggest management agencies in South Korea offer binding contracts to children starting from age 9 to 10. 

Trainee singers live together in a tightly regulated environment and spend many hours a day learning music, choreography, foreign languages as well as communication techniques with fans and journalists.


K-pop boybands on stage, clockwise from left: HITT, MBLAQ, BIig Bang and Exo. image: wikipedia