Biography
1) Smooth J is a Japanese pianist whose instrumental music also contains elements of hip hop, jazz, and samples taken from Japanese pop culture.
2) Smooth J (Jules Poirier, born July 2, 1991) is a rapper from Montreal, Quebec. He composed his first single, Le Dernier Souffle in 2005 and performed it live at Musique Plus the year after.
Biography text from Last.fm, available under CC BY-SA.