1 Thing (G마켓 CF 이효리, 옥주현편)

Knock, knock, knock, oh Knock, knock, knock, oh Knock, knock, knock, oh Knock, knock, knock Oh, been trying to let it go Trying to keep my eyes closed Trying to keep it just like before The times we never even thought to speak Don't wanna tell you what it is Oh wee it felt so serious Got me thinking just too much I wanna set it off, but It's this 1 thing that's got me trippin It's this 1 thing that's got me trippin (you did) This 1 thing my soul may be feeling It's this 1 thing you did oh oh It's this 1 thing that caught me slippin It's this 1 thing I want to admit it This 1 thing and I was so with it It's this 1 thing you did oh oh Hey, we don't know each other well So what I keep thinking to myself Memories just keep ringing bells Oh oh, Oh oh, Oh Hear voices I don't wan to understand My car keys are jingling in my hand My heart feels a clicking towards your door Oh oh, Oh oh, Oh It's this 1 thing that's got me trippin It's this 1 thing that's got me trippin (you did) This 1 thing my soul may be feeling It's this 1 thing you did oh oh It's this 1 thing that's caught me slippin It's this 1 thing I want to admit it This 1 thing and I was so with it It's this 1 thing you did oh oh Maybe I just can't believe it It's this one thing you did oh oh I can't deny, tired of trying nothing left to do but keep on seeing you I'm hoping you can keep a secret For me, for me, for me But what you did, yeah It's this 1 thing that's got me trippin It's this 1 thing that's got me trippin (you did) This 1 thing my soul may be feeling It's this 1 thing you did oh oh It's this 1 thing that's caught me slippin It's this 1 thing I want to admit it This 1 thing and I was so with it It's this 1 thing you did oh oh Oh oh oh Oh oh oh Oh oh oh Oh oh oh Knock, knock, knock, oh Oh Knock, knock, knock, oh Knock, knock, knock, oh Knock, knock, knock, oh Knock, knock, knock It's this 1 thing that's got me trippin It's this 1 thing that's got me trippin (you did) This 1 thing my soul may be feeling It's this 1 thing you did oh oh It's this 1 thing that's caught me slippin It's this 1 thing I want to admit it This 1 thing and I was so with it It's this 1 thing you did oh oh  It's this 1 thing that's got me trippin It's this 1 thing that's got me trippin (you did) This 1 thing my soul may be feeling It's this 1 thing you did oh oh It's this 1 thing that's caught me slippin It's this 1 thing I want to admit it This 1 thing and I was so with it It's this 1 thing you did oh oh Oh oh, Oh oh Oh oh oh Oh oh oh Oh oh oh Oh oh oh