The song duo made up of Junichiro Tanaka and sei. In 2008 Ju sei released the mini-album Taigun Yuei on the black petal label, and in 2011 their full album Corn-Solo (sound production by Taku Unami) came out on Enban. U as in Utah, an album on which Ju sei performs with Utah Kawasaki, came out on the Meenna label in 2014. Their EP Dollar was issued on ju sei's own label in 2018. The CD Live at Ftarri Festival 2015, documenting their performances with Utah Kawasaki, Masahiko Okura and Michael Thieke, was released on Meenna in 2019.
ju sei on the Ftarri, Hitorri, Meenna, and Improvised Music from Japan labels