Exploded canvases, split screens and multiple channels, mixed-, multi-, and inter-media: Carolee Schneemann has been clear in her rejection of medium specificity in favor of what one might call medium promiscuity. Since the early 1960s, she has consistently incorporated images (both moving and still) into multimedia environments that include elements of performance, painting, sculpture, installation, Happening. This has always made her difficult to categorize and, despite her centrality to the history of the last half-century of American art, easy to marginalize. The intense hybridity of form and medium is, in this sense, partly bound up with her feminism, her explicit engagement with sexuality, and the exploration of her own body through her work. While her contribution to experimental cinema is fairly well known, her reputation rests almost entirely on the four films she made between the mid-1960s and late 1970s. Relatively little has been written about her practice since then, leaving a lacuna which is only now being filled by a two-part solo exhibition, divided between P•P•O•W Gallery (“Further Evidence – Exhibit A”) and Galerie Lelong (“Further Evidence – Exhibit B”), which focuses on work that the artist made in a number of mediums—video installation, collage, sculpture, performance, drawing, painting—from the …