Ernie Ball was an American entrepreneur, musician, and innovator, widely acclaimed as a revolutionary in the development of guitar-related products. He began as a club and local television musician and small business entrepreneur, building an international business in guitars and accessories that would eventually gross US$40 million a year.
Ernie ball according to Wikipedia. Ernie ball roland sherwood August 1930 2004 american musician, best development product for guitar.
Cordes according to Ernieball. Ernie ball is the leading manufacturer of electric, acoustic, guitar, strings, strings, mandolin and guitars accessories.
St. Vincent 2018 as stated in Music-man. Vincent's signature includes a light mahogany body, a maple roasted with rosewood, a touch of maple. Figured maple neck inlaid with vincent signatures.