Many of us know a “record nerd,” a subset of aficionados with encyclopedic knowledge of and acerbic opinions about some musical niche or other. Record nerds wax poetically on the merits of the recording console at Sunset Sound, or the natural reverb in Abbey Road’s studio two. But many…

At 54 years old, and 26 years after his most famous band’s debut, guitarist Tom Morello is releasing The Atlas Underground, an album of collaborations with a variety of contemporary musicians. The Atlas Underground Tom Morello Oct. 12 This stage of Morello’s career recalls Santana, who released 1999’s Supernatural at…