It is believed that these five songs are present-day Ichi-uta (literally, "the first song"), Ni-uta (literally, "the second song"), Suruga-uta (literally, "the Suruga song"), Motomego-uta (literally, "the seek-a-child song"), and Kataoroshi (also called Ohire-uta), but according to an old Azuma-asobi music book compiled in the Tenji era, the songs included in Azuma-asobi were selected on December 27, 920, by Imperial command.
それが今につたわる一歌、二歌、駿河歌、求女子歌および加太於呂之（大広歌とも）の5であるといわれるが、天治本の古譜には延喜20年11月10日勅定のことがみえる。