Gregg Allman opens up about his late brother Duane in a new trailer for "Gregg Allman: The Music of My Soul," a career-spanning documentary arriving in theaters next month across more than 200 screens. The film traces the Allman Brothers Band frontman's life and legacy, examining his journey from Southern rock pioneer to solo artist. The documentary explores the personal and professional relationship between the two brothers, with Gregg reflecting on Duane's death in 1971, which fundamentally altered the trajectory of the band and Gregg's own career. The Allman Brothers Band revolutionized American rock music in the late 1960s and early 1970s, blending blues, country, and psychedelic influences into a distinctive Southern sound that influenced generations of musicians. Duane's motorcycle accident cut short his life and left Gregg as the primary voice of the band's legacy. "Gregg Allman: The Music of My Soul" promises an intimate look at how Gregg navigated grief, success, and artistic reinvention throughout his decades-long career. The documentary combines archival footage, interviews, and performances to chronicle his evolution from the psychedelic era through his solo work and continued performances. The wide theatrical release demonstrates the enduring cultural resonance of the Allman Brothers Band and Gregg's status as a blues-rock elder statesman. His influence extends across rock, country, and blues communities, making this retrospective relevant to multiple generations of music fans. The film arrives as streaming platforms continue investing in music documentaries, though this theatrical release underscores the band's stature in American music history.