A guitar or musical instrument harness is disclosed that includes a waist belt and a shoulder strap. A circular or oval loop is attached to the waist belt. The belt is worn by the user so that the loop is situated over the spine of the user. The shoulder strap is disposed through the loop and the distal ends extend upward along the back and over the shoulders of the user. The strap includes attachment holes or apertures at the distal ends thereof to receive guitar strap buttons mounted on a guitar. The strap also includes typical length adjustment features. An alternate embodiment includes an additional mounting ring clip through which the strap is inserted. The mounting ring clip is removably attachable to the loop portion of the waist belt.