[1] As a pianist in the group "Just Friends", he made several tours in the German speaking countries from 1978 to 1991.
[2] Since then, he played with numerous well-known artists like Jiggs Whigham, Randy Brecker, Herb Geller, Benny Bailey, Gitte Hænning, Nigel Kennedy, John Marshall and Ack van Rooyen.
From 1982 to 1986, he was a member of RIAS Dance Orchestra and later also a pianist in some of talk shows.
Wolfgang Köhler has composed two revues in collaboration with the playwright Gerhard Haase-Hindenberg.
He has composed also several film music including for the children's television series Karfunkel in ZDF.