In 1998, Atsuhiro Ito began to do sound performances at art exhibitions. Ito invented his original music device, the OPTRON,which makes use of fluorescent tubes, which Ito also uses in his art installations. Over the years, he continued to refine the instrument and to approach sound and music from a contemporary-art-based perspective. Apart from his solo exhibition and performances, he has been an active member of a number of music units such as [Optrum] an “extreme optical noise core” band consisting of Ito and drummer. Another units : Imai Kazuo TRIO (2005~) , OFFSEASON (2007~) , ULTRA FUNCTOR (2010~).
Between 2000 and 2005, Ito organized various sound (music) / visual image-related events at the gallery / free space “ OFF SITE.” Optrum released an album“ recorded” in june 2006 with the label UNKNOWNMIX (HEADZ). In 2009, Ito launched his own label – GOTOBAI recordings and released solo DVD “ OPTVISION.” In 2010, his first CD-R [R.G.B. /] was re-issued by OMEGA POINT, as well as a limited edision BOX set [R.G.B./ Pre OPTRON].