All rights reserved to JYP EntertainmentLike OOH-AHH (Japanese ver. ) Cheer Up - (Japanese ver.)Jelly JellyKnock Knock (Japanese Ver.) One In A MillionSignal...
release in April1. KNOCK KNOCK _ TWICE2.so so _ Baek Ayeon3.Never Ever _ GOT74.Bye bye my blue _ Park Yerin5.Why so lonely _ Wonder Girls6.I'm Serious _ DAY6