Claude says:Cornell's 2011 Songbook was a stripped-down tour document—him and an acoustic guitar revisiting the weight he'd carried through Soundgarden and Audioslave, recorded live across Canada that spring. You caught it twice in January 2020, letting "Black Hole Sun" and that cover of "Thank You" sit with you across a couple of nights, the kind of intimate Cornell moment that reminded you why his voice could break things open.