Mark Adam Harold | Open Music Europe https://openmuse.dataobservatory.eu/authors/mark_adam_harold/ Mark Adam Harold Wowchemy (https://wowchemy.com)en-us https://openmuse.dataobservatory.eu/authors/mark_adam_harold/avatar_hu7fba9da1679ce4a56c592454604cb9c1_101481_270x270_fill_q75_lanczos_center.jpg Mark Adam Harold https://openmuse.dataobservatory.eu/authors/mark_adam_harold/