Seiji Matsunaga aka DJ Matsunaga was born in Ibaraki, Japan in 1977. He has been actively DJing since 1999. He formed the Japanese trance duo called "The Originators" with his friend Hiroaki Ueda in 2003, and started producing tracks. The Originators not only produce trance tracks but have been actively spinning live in many clubs in Japan as well. And they established their own trance label named "Sevensenses Recordings" in 2004.