Block B - Why Don’t You Know? | 블락비 - 왜 모르시나 [Immortal Songs 2]

Block B - Why Don’t You Know? | 블락비 - 왜 모르시나 ------------------------------------------------ Subscribe KBS World Official YouTube: ------------------------------------------------ KBS World is a TV channel for international audiences provided by KBS, the flagship public service broadcaster in Korea. Enjoy Korea’s latest and most popular K-Drama, K-Pop, K-Entertainment & K-Documentary with multilingual subtitles, by subscribing KBS World official YouTube. --------------------