The Cologne double bassist and ECHO Jazz prize winner Sebastian Gramss is certainly one of the outstanding instrumentalists, composers and conceptualists of the German jazz scene. His diverse groups and projects such as Underkarl, fossile 3, Slowfox, Bassmasse as well as his international projects in South America, South Korea, India or Angola and his lecturing activities in Cologne and Osnabr?ck characterize his exceptional position in the German scene.