Japanese rock, sometimes abbreviated to J-rock, is rock music from Japan. Japanese rock (Japanese: 日本のロック, Hepburn: Nihon no Rokku), sometimes abbreviated to J-rock (ジェイ・ロック, Jei Rokku), is rock music from Japan. Jrock is the short version for "Japanese rock", which includes Visual Kei, normal and alternative rock, but from Japanese bands. I did a bit on J-Rock, specifically Visual Kei, for a presentation on popular culture abroad a few years back. J-rock is short for “Japanese rock. JRock is Japanese rock music.