GDM has been since the 80s participated in music production in the form of concerts, tours and festivals. But also record production for various clients. Among other things GDM produced both text and music in conjunction with Gadelius 100th anniversary as well as a Fight song for there icehocky-team Djurgården. The most recent addition (2012) are shown here. An attraction CD with music by Flotow and Offenbach Cello, piano recorded at Dunker in Helsingborg. Carl Peterson, piano and Estera Rajnicka, cello.