As a soloist, he has performed with conductors like Horst Stein and Ingo Metzmacher and partnered Sabine Meyer and the Trio di clarone in chamber works CD. He recorded solo works and sonatas for the broadcasting corporations Hessischer
Rundfunk and Norddeutscher Rundfunk. Between 1992 and 1998 he also appeared as guest performer with the Berlin Philharmonic Orchestra, the Munich Philharmonic Orchestra and the Bavarian Radio
Symphony Orchestra and today many famous orchestras invite him as play with them. It was in this capacity that he played as solo clarinet with the Concertgebouw Orchestra of Amsterdam during their
tour of the USA in 2008.
Alongside his orchestral work, Peitz has always been an active chamber musician and is a founding member of the Albert Schweitzer Oktett, with which he has performed in the Chamber Music Hall of
the Berlin Philharmonie and recorded two albums.