As they prepare to release their second album and embark on their debut UK tour, Canadian improvisational ensemble Earth Ball tell Julian Marszalek about advertising on an old mattress, their unconventional base in a “dirty, weird coal mining town,” and the cooperative joy of instant composition
With the publication of her new book *As We See It*, about the groundbreaking work of a new wave of Black artists, Aida Amoako takes a close look at three artists taking collage and appropriation in a whole new direction