발매일 2015 10 27
https://img.theqoo.net/reDVn
4 Walls
이스란
LDN Noise, Tay Jasper, Adrian Mckinnon
M/V
https://youtu.be/4j7Umwfx60Q
뮤직뱅크
https://youtu.be/N-vfBtaMvKM
음악중심
https://youtu.be/B3SQwuzkaYY
인기가요
https://youtu.be/lYZpHeXnke8
MAMA 2015
https://youtu.be/eSpokjDB3cQ