RIGOROUS, POETIC, AND HIGHLY ABSTRACT, the practice of Terry Adkins (1953-2014) is a nexus of art, music, and language. He repurposed found objects and reimagined instruments; brought visibility to the layered biographies of pivotal historical figures such as W.E.B. Du Bois, Matthew Henson, Ralph Ellison, Zora Neale Hurston, Sojourner Truth, and John Brown; and...