The vocal powerhouses that make up MAMAMOO are back....
12 Jun 2015 - 12:42 PM  UPDATED 12 Jun 2015 - 12:43 PM

Solar, Moonbyul, Wheein, Hwasa AKA MAMAMOO are back with what appears to be another vocally driven upbeat pop song. Check out their new "Um Oh Ah Yeh teaser. 

MAMAMOO is set to comeback June 19. 

"Um Oh Ah Yeh