Career
He was a noted lyricist and songwriter for many German rock bands. Some of his compositions, like “Come Into My Guitar Boat” and “Every Person Can Love Everyone”, were award-winning works. In 2009, Demmler was to stand trial for sexual abuse, stemming from accusations that he molested underage girls between 1995 and 1999 during trials for a female popular group.
The day of the trial, Demmler hanged himself in his jail cell.
He was 65.