[1] He received his doctorate with the thesis "Setting to music ancient texts from the Baroque to the present" (Amsterdam 1981).
Since 1973 Draheim has worked as a freelancer for Südwestrundfunk and since 1974 for several German and international music publishers (including Breitkopf & Härtel, Schott, Ricordi, Friedrich Hofmeister den Wiener Urtext Edit) and record companies.
Draheim published numerous editions of works by Haydn, Mozart, Beethoven, Schubert, Fanny Hensel, Mendelssohn, Chopin, Robert and Clara Schumann, Brahms and Busoni.
Draheim also appeared as a pianist in concerts, on radio (SDR, SWF, SR, SWR) and in record and CD productions.
He is a member of the New Schumann Complete Edition, the Fryderyk Chopin Institute in Warsaw and the new Die Musik in Geschichte und Gegenwart.