The Martin Custom Signature Series contains singular models designed in collaboration with some of the world’s most beloved artists, including living legends like Eric Clapton and John Prine, and contemporary superstars like John Mayer, Ed Sheeran, and Jason Isbell. Others were designed in homage to luminaries like John Lennon, Hank Williams, and Johnny Cash, who left behind cherished music that will live on forever. And others still are designed by C. F. Martin IV, along with models featuring inspired aesthetics from Martin-related artists like painter Robert F. Goetzl and illustrator Dick Boak.