As of October 2023, there is no widely recognized artist by the name of Robert Praelisauer in the music industry. It is possible that he is an emerging artist or operates in a niche genre that has not garnered significant mainstream attention or documentation in historical music records. If you are referring to an artist who may have gained prominence after my last update, or if there are alternative spellings or names, please provide additional context or clarification. That way, I can assist you more effectively.