Witthüser & Westrupp has been played on NTS in shows including Perfect Sound Forever, featured first on 27 November 2014. Songs played include Laßt Uns Auf Die Reise Gehn, Lasst Uns Auf Die Reise Gehn and Nimm Doch Einen Joint, Mein Freund.

Witthüser & Westrupp was a German singer-songwriter duo consisting of Bernd Witthüser (29 April 1944 – 4 August 2017), guitar, mandolin and Walter Westrupp (born 12 February 1946) guitar, ukulele, trombone, harmonium, psalter and many other instruments. The band was formed in June 1969 as "W&W's pop cabaret", singing German texts in a special way. In 1970 the name changed to "Witthüser & Westrupp". The band was active until 1973.

They produced four studio LPs, a live LP, and 4 singles. Some of their songs were well known in the German hit-parades, and in 1971 they were on the 3rd place of the German music poll.

They worked together with Sergius Golowin and Walter Wegmüller, and had sessions with German musicians.

Westrupp is still living in Germany and is the frontman of the skiffle and jug band Walter h.c. Meier Pumpe.