As of my last update in October 2023, there is no widely recognized artist by the name of Maurus Haberhauer in the field of music. It is possible that he may be an emerging artist or a local musician whose work has not yet gained broader recognition. If you have more context or details about his music or contributions, I would be happy to help you with that information. Alternatively, it may be beneficial to check the latest music platforms or news sources for any updates on this artist.