Provision and brokerage of educational services, in particular music lessons, instrumental lessons and lessons on related topics such as music theory and music history; organization, implementation and brokerage of concerts and performances, including arranging and composing music; management, artistic direction and management of music ensembles and orchestras as well as ensembles of the performing arts; purchase, sale, rental and lending of musical instruments, musical instrument accessories and sheet music; participations; acquisition, encumbrance, sale and management of real estate; financing and provision of guarantees and sureties for subsidiaries and third parties.