Pre-order Julia Wolfe’s Steel Hammer before April 20 and receive advance copies, signed CDs, credit as an Associate Producer (order before February 18), and special hand-drawn score page from Steel Hammer, the hotly anticipated album by Julia Wolfe, featuring the Bang on a Can All-Stars and Trio Mediaeval.

Inspired by her love for the music and lore of Appalachia, Julia Wolfe based her text for Steel Hammer (called a “wild hybrid” by the New York Times) on over 200 versions of the John Henry ballad, exploring the subject of human vs…