“If your idea works on an acoustic guitar, you can change the world”: John Mayer and Ernie Ball’s string experiments continue with the launch of the firm’s “most sonically complex” acoustic set yet

Earthwood Bell Bronze acoustic guitar sets.

Ernie Ball has released a newly reimagined version of its Earthwood Bell Bronze acoustic strings with a little help from John Mayer.

Having worked with the firm for some peculiarly precise electric guitar strings last year via the Silver Sky set, Mayer and his partner in string experimentation have now turned their attention to the humble acoustic guitar.