What Happened? / What's Been Going On?

What Happened? / What's Been Going On? 是一張由 Mr. Blackout 在 What Happened? / What's Been Going On? 中展現了他們最好的聲音，這張專輯對歌迷來說無疑是一種享受。立即下載JOOX App，隨時在線收聽What Happened? / What's Been Going On? 中的歌曲！