Mamamoo is a korean pop band that debuted on June 14, 2014 under Rainbow Bridge World (RBW). They are a four member group featuring (in
order from left to right in the featured image): Moonbyul, Solar, Wheein, and Hwasa (in nearly every image of the group they retain this order).
Some of their popular songs include "Mr. Ambiguous", "Piano Man", "Um Oh Ah Yeh", and "Ahh Oop!"