Thomas Demeter, professionally known as MR. TUMN1S or simply TUMN1S (Tumnis), is an American DJ, rapper, and record producer based in Northern Utah’s Greater Salt Lake area. Known for blending multiple genres, original production styles, and raw lyricism, TUMN1S has built a reputation as both an artist and an engineer for many rising artists throughout the local scene. His sound reflects the authentic, unfiltered energy of underground music while continuously evolving through years of dedication to his craft. Music has been a part of Thomas’s life since childhood. From the moment he could reach a piano, he began teaching himself how to play—without formal instruction. Through years of persistence, he developed an understanding of music theory, composition, and sheet music entirely on his own. Over nearly two decades, he has refined his ear for melody, emotion, and sound design. In early 2018, Thomas discovered DJing after learning the basics from a family friend. He quickly began performing on stage, mixing music live and building experience behind the decks. Later that same year, he decided to pursue music production for himself. After receiving his first laptop, he began creating simple compositions and experimenting inside his DAW. What started as small ideas evolved into an everyday obsession. For nearly a decade, Thomas has dedicated himself daily to refining his production, engineering, and overall sound. From understanding mixdowns to mastering his creative process, every release represents years of relentless growth, experimentation, and passion. As TUMN1S continues to evolve, his focus remains the same: creating music that feels genuine, powerful, and unmistakably his own.

Thomas Demeter

Thomas Demeter, professionally known as MR. TUMN1S or simply TUMN1S (Tumnis), is an American DJ, rapper, and record producer based in Northern Utah’s Greater Salt Lake area. Known for blending multiple genres, original production styles, and raw lyricism, TUMN1S has built a reputation as both an artist and an engineer for many rising artists throughout the local scene. His sound reflects the authentic, unfiltered energy of underground music while continuously evolving through years of dedication to his craft. Music has been a part of Thomas’s life since childhood. From the moment he could reach a piano, he began teaching himself how to play—without formal instruction. Through years of persistence, he developed an understanding of music theory, composition, and sheet music entirely on his own. Over nearly two decades, he has refined his ear for melody, emotion, and sound design. In early 2018, Thomas discovered DJing after learning the basics from a family friend. He quickly began performing on stage, mixing music live and building experience behind the decks. Later that same year, he decided to pursue music production for himself. After receiving his first laptop, he began creating simple compositions and experimenting inside his DAW. What started as small ideas evolved into an everyday obsession. For nearly a decade, Thomas has dedicated himself daily to refining his production, engineering, and overall sound. From understanding mixdowns to mastering his creative process, every release represents years of relentless growth, experimentation, and passion. As TUMN1S continues to evolve, his focus remains the same: creating music that feels genuine, powerful, and unmistakably his own.

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Thomas Demeter, professionally known as MR. TUMN1S or simply TUMN1S (Tumnis), is an American DJ, rapper, and record producer based in Northern Utah’s Greater Salt Lake area. Known for blending multiple genres, original production styles, and raw lyricism, TUMN1S has built a reputation as both an artist and an engineer for many rising artists throughout the local scene. His sound reflects the authentic, unfiltered energy of underground music while continuously evolving through years of dedication to his craft.

Music has been a part of Thomas’s life since childhood. From the moment he could reach a piano, he began teaching himself how to play—without formal instruction. Through years of persistence, he developed an understanding of music theory, composition, and sheet music entirely on his own. Over nearly two decades, he has refined his ear for melody, emotion, and sound design.

In early 2018, Thomas discovered DJing after learning the basics from a family friend. He quickly began performing on stage, mixing music live and building experience behind the decks. Later that same year, he decided to pursue music production for himself. After receiving his first laptop, he began creating simple compositions and experimenting inside his DAW. What started as small ideas evolved into an everyday obsession.

For nearly a decade, Thomas has dedicated himself daily to refining his production, engineering, and overall sound. From understanding mixdowns to mastering his creative process, every release represents years of relentless growth, experimentation, and passion. As TUMN1S continues to evolve, his focus remains the same: creating music that feels genuine, powerful, and unmistakably his own.

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