Big Mama group’s member Lee Young Hyun launched a teaser video for a new song ‘Infection’, which has Kanto. The emotional teaser displays images of a couple prior and after the breakup. It shows a couple having a good time together, then staying at home alone and then being together again. Finally the audience get to hear a brief clip of Lee Young Hyun’s emotional voice, in which she shows her full range and power. The renowned singer with her talented voice showcased again and again on the MBC variety show “I Am A Singer’ with different covers. She has finally composed her own song together with rapper Kanto. Both these two artists are ready and sure to treat the audience with a big one.