As of my last knowledge update in October 2023, there is no widely recognized artist named Mark Gasser in mainstream music history. It's possible that he may be an emerging artist or a local musician not yet documented in major music databases. If you have specific details or context about Mark Gasser—such as his genre, notable works, or regional influence—I could help provide insights or clarify based on that information. Alternatively, if you meant a different artist, please let me know, and I would be happy to assist!