12japga is sometimes called long japga or jjitchang.

A genre that occurred in the 19th century and was made and called among the singers of the Four Seasons.

Historically, it was sung by craftsmen, merchants, and gisaengs at the end of the Joseon Dynasty, and was widely distributed by the Sagye Axis (now known as male singers living in areas ranging from Seoul Station to Malli-dong Pass and Cheongpa-dong).

The first 12 magazines were divided into eight magazines and four pieces of music: Yushan, Jeokbyeokga, Jebibi, Sochunhyangga, Seonyu, Hyungjanga, Pyeongyangga, and so on. Japjagga is composed of four pieces: Dalgeori, Tenjanga, Euncha, Bangmulga. It is believed to be the influence of the 12 lyrics that put them together as 12 magazines. The current 12 jagga is a heritageist, Jeokbyeokga, Jebi, housekeeper, Sochunhyangga, Seonyu, Hyungjanga, Pyeongyangga, Dalgeori, Sipjanga, Gupga, Bangmulga.