He performed concerts with the chamber choir of the MfMDK at the university and also in the Rhein-Main Region, such as 2007 in St. Martin, Idstein, a program of mostly psalm compositions, Das ist mir lieb (Psalm 116) by Heinrich Schütz, Warum ist das Licht gegeben dem Mühseligen?
In 2008, after 26 years of teaching, he conducted in a farewell concert Schicksalslied by Brahms and Schubert's Mass in A flat major.
[4] In 1984 Schäfer conducted the premiere of the Kurt Hessenberg's Mass with the Frankfurter Kantorei in the studio of the Hessischer Rundfunk.
[6] In 2003 he recorded Telemann's Passion Das selige Erwägen des bittern Leiden und Sterbens Jesu Christi with Barbara Locher, Zeger Vandersteene, Stefan Dörr, Berthold Possemeyer, Jesus-Rene Schmidt, the Freiburger Vokalensemble and L'arpa festante, then probably the only recording of the work.
He designed a program for Advent which includes several settings of Ave Maria and Jan Sandström's Es ist ein Ros entsprungen.