Grzegorz Drozdowski Music

59.20.Z - Sound recording and music publishing activities

53.20.Z - Other postal and courier activities

59.11.Z - Activities related to the production of films, video recordings, and television programs

63.92.Z - Other information-related services

85.59.B - Courses and training for acquiring knowledge, skills, and professional qualifications in non-school forms

85.59.D - Other non-school forms of education, not classified elsewhere

90.11.Z - Literary activities and activities related to composing music