Today is the final day to view the Tufts University Art Galleries exhibition “Impossible Music,” a survey of the sonic vanguard. Organized by curator Candice Hopkins and composer, performer, and installation artist Raven Chacon, “Impossible Music” brings together sculptures, sounds, scores, video, and live performances to explore the radical, interdisciplinary potential of conceptual and experimental music. From the banned to the bombastic, the exhibition highlights the work of visionary artists who pushed music forward, defying norms and piloting new forms of expression. Featured artists include Terry Adkins, Black Quantum Futurism, Nikita Gale, Sarah Hennies, Tom Johnson, Christine Sun Kim, Conlon Nancarrow, Aki Onda, and C. Spencer Yeh.