Musical World Marcin Kamiński

85.59.A - Foreign language education

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

85.69.Z - Educational support activities, not classified elsewhere

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

90.12.Z - Creative activities in visual arts