2014 - Present
Quartet Mamamoo debuted in 2014 under RBW.
After the quartet's initial exclusive contract with RBW expired, Wheein joined The L1VE Label in Aug. 2021. The L1VE is a vocal-focused label established by singer Ravi.
Hwasa joined P Nation in June 2023, an entertainment agency established by singer Psy.
While only Moonbyul and Solar remain under RBW at the moment, all four members have agreed to continue working with RBW for its group activities as a quartet in the future.