Rapper Rakan, who is based in Akita prefecture The song "Rhyme Oiwake feat. Hoshu Umewaka" will be released in advance from the 1st EP "18" scheduled to be released on July 15. The collaboration with the shamisen player Hoshu Umewaka of the Japanese folk song Umewaka-ryu Umewakakai, which established the "folk song kingdom Akita", is The devilish performances of the two collided violently, and Reiwa's "Oiwake-bushi (one of the Japanese folk songs)" was born here.