Subsequently, he toured as a drummer in several bands, playing throughout northern Germany, and for half a year throughout Africa.
Nearing the end of the 1970s, he attended the Milan circus school, and worked briefly as a clown and pantomime artist.
Together with Stephan Remmler and Gert "Kralle" Krawinkel, Behrens was a member of the German band Trio in the early 1980s, where he played the drums.
He used to play the drums standing upright in a rigid manner with a stony expression, which contributed to the distinctive appearance of the band.
After Trio disbanded in 1986, and after overcoming alcoholism and a severe drug problem, he dedicated himself to his work as a social worker on the streets of Bremerhaven and Wilhelmshaven.