Top row, left to right: Laura Marling, Valerie June, Mike Milosh of Rhye; bottom row: Ty Segall, James Blake, Earl Sweatshirt. Courtesy of the artists hide caption

itoggle caption Courtesy of the artists

On her new album, Pushin' Against a Stone, Valerie June sings with a voice that's as powerful as it is unusual. Matt Wignall/Courtesy of the artist hide caption

itoggle caption Matt Wignall/Courtesy of the artist

Valerie June's new album, Pushin' Against a Stone, comes out Aug. 13. Susan Riddle Duke Photography/Courtesy of the artist hide caption

itoggle caption Susan Riddle Duke Photography/Courtesy of the artist