Common gasa(歌辭) is gasa written by the common peeple or created from the common spirit. But it is impossible to know the writter of common gasa literature pieces now. At this point, it becomes problem if it is reasonable to regard pieces written by unknown people as pieces written by common people obscurely. This text examines writers and readers of common gasa considering that point. As a result, it turned out that writers of common gasa are composed of some yangban(兩班) people, common people, and professional artistes. Leading readers was also yangban people and common people. Namely, some of pieces which are known as common gasa are proved to be written or read by yangban people. So the point of this text is that looking upon that contents in common gasa as manifestation of common spirit totally is not adeqate. That is because we must consider it to have come from awakening and changed method in dealing with the real life of the latter chosun yangban people.