Girl vocal group Lush sang in perfect harmony at KBS "Open Concert".

During the taping of "Open Concert" that took place on the 25^th, Lush demonstrated their talent and teamwork by singing the Disney animation Frozen's soundtrack "Let It Go".

Staff present at the taping stated that they were impressed by Lush's cover of "Let It Go" that became viral on Youtube: "A lot of solo artists covered "Let It Go", but the harmony that these women created as a group was a first".

On stage, Lush sang to their full extent, receiving an enthusiastic reaction from the crowd.

Bobby Kim, who belongs to the same entertainment company, exclaimed that he too had seen the viral Youtube cover and was surprised by their perfect harmony.

Lush had recently uploaded a 3-minute cover of "Let It Go" titled, "Lush - Let It Go (Frozen OST Cover)".

Meanwhile, Lush released their 2^nd single, "Yesterday" last November.