Sinner is a German heavy metal band that was formed in 1980 by the bass player / vocalist Matthias Lasch, later known under the name Mat Sinner. They took a break in 1989 and Mat Sinner released a solo album in 1990 before continuing down the road with the band once again. The band has been on hold several times while the band members have been working on other projects but they are now back again for a new album release in early 2003. The two first albums from 1982 and 1983 were unfinished material that was released against the band's will.