AKMU/Akdong Musician (악동뮤지션) Featured KOREAN Lee Suhyun (이수현) AKMU – DINOSAUR DINOSAUR SUMMER EPISODE 2017.07.20 Chan Hyuk, Soo Hyun Lyrics/작사: 이찬혁 Composer/작곡: 이찬혁 Arranger/편곡: 로빈