I have a 1978 Gibson Les Paul Custom that will not stay in tune, especially the G string. Is there any way to improve this, such as replacing the machine heads? - Quora
This guitarist claims to have solved Gibson Les Paul tuning stability issues with the Tune Voodoo Skull
![Finally! The solution for tuning stability issues with Les Paul guitars (and others with a similar head design) - Laplace LLC Finally! The solution for tuning stability issues with Les Paul guitars (and others with a similar head design) - Laplace LLC](https://i0.wp.com/laplaceonline.com/wp-content/uploads/2017/11/string-butler-v2-les-paul-standard-bw.jpg?fit=2448%2C3264&ssl=1)