John Driscoll is an American musician best known as a member of the country band Zac Brown Band. He plays the bass guitar and contributes to the band's vocal harmonies. Driscoll has been with the band since its formation in 2002, helping to shape their unique sound that blends country, rock, and folk influences. In addition to his work with Zac Brown Band, Driscoll is also involved in various musical projects and collaborations. He has a passion for songwriting and has contributed to several of the band's hit songs, showcasing his talent and versatility as a musician.