The cast members of KBS 2TV's "Dream High"�recently stood on stage with world soprano,�Jo Sumi. miss A's Suzy, 2PM's Taecyeon, T-ara's Eun Jung and Um Ki Jun came together to perform on�'Jo Sumi's Christmas Present Christmas Special'. Taecyeon sang the vocal version of 'My Ear's Candy' with Jo Sumi, who delighted her audience by going along with the song's choreography. Meanwhile, Um Ki Jung and Jo Sumi sang a duet titled 'Tonight' from the musical, 'West Side Story'. All five then stood on stage together to sing the classic Christmas carols, 'Feliz Navidad' and 'Blessings on Christmas'. Check out the performances below! Source: Max Movie via Nate