On August 9th, MBLAQ guested on Mnet's 'Yoon Do Hyun's MUST', where member Seungho performed a solo stage for the first time since his debut. Playing the piano himself, Seungho performed a soothing ballad track called "Cleaning" that moved the hearts of the audience.�Fellow member Mir revealed, "Before he recorded for the show, he thought, 'What am I going to do?' dozens of times a day." After their recording ended, Mir was reported to have shown his impeccable manners by bowing to the audience several times in a row. Check out the performance below! Source + Photos: SPN via Nate Tip: Luna Fairylin