Kai studied drums with Keith Copeland and Michael Küttner at the Musikhochschule Köln at the beginning of the 90s. In 1992 he got his first teaching job there and started to make a name for himself as a lecturer in numerous jazz and rock workshops. From 1996 to 2001 he was the solo staff drummer at the Theater des Westens in Berlin and has accompanied shows such as Chicago, Jesus Christ Superstar and Grease. Schoenburg has participated in a large number of productions and concerts, including Ernie Watts, Candy Dulfer, Christopher Cross, New York Voices, Kelly Rowland, Sarah Connor, Wyclef Jean, Jiggs Whigham, Thärichens Tentett, Ack van Royen, Rias Big Band, NDR-Big-Band, Herb Geller, Jasper van't Hof and Lee Konitz.
