In this article delves into the link between sound and voice in aesthetic reactions to the world's violent tendencies in the works of the French painter Jean Foutrier (1898-1964) and the Czech artist Mikuláš Medek (1926-1974). He perceives in both artitsts' work an assertiveness of sound or voice - theiry physicality, sensuality, and materiality entailing both a performative and a subversive dimension, and asks whether it is at all possible to shape material such that a "voice event" can become visible.