aespa performs their debut single ‘Black Mamba’ l GMA

The K-pop group performed a song that hit more than 200 million views on YouTube. SUBSCRIBE to GMA's YouTube page: https://bit.ly/2Zq0dU5 SIGN UP to get the daily GMA Wake-Up Newsletter: https://gma.abc/2Vzcd5j VISIT GMA's homepage: https://www.goodmorningamerica.com FOLLOW GMA: TikTok:   / gma   Instagram:   / goodmorningamerica   Facebook:   / goodmorningamerica   Twitter:   / gma   #GMA #aespa #aespaonGMA #에스파 #blackmamba #kpop