The Nitty Gritty Dirt Band is an American country rock band, formed in Long Beach, California in 1966. Over the years, the band has demonstrated a unique fusion of country, folk, bluegrass, and rock n' roll, resulting in a distinctive sound. Notably, they are recognized for their groundbreaking album, "Will the Circle Be Unbroken" (1972), which brought together several generations of bluegrass and country musicians. Founding members Jeff Hanna and Jimmie Fadden have remained constants in the band's ever-changing lineup, contributing significantly to its longevity and influence in the music industry.