No band ever earned the right to sing "Our band could be your life" more thoroughly than the Minutemen, and Tim Irwin's entertaining documentary is packed with great, no-fi footage from the band's glory days. Until the band's untimely dissolution in 1985, the trio of singer-guitarist D. Boon, singer-bassist Mike Watt and drummer George Hurley summed up the entire indie-punk-DIY ethos. Hailing from the working-class neighborhoods of San Pedro, Calif., the Minutemen subscribed to the idea that music was something anyone could do, and in the process created groundbreaking sonic art on a shoestring. In short, they jammed econo. Formed in 1979, the Minutemen combined Boon...