In this painting, each branch dyed red, intense, or deep maroon, re ects what the voice symbolizes for him. A room full of people talking, a choir performing a song … It looks similar to what is called, in music, the graphical representation of voice frequency. Above them, we can see the sound atoms that represent each of these voices. Those are large and powerful because, according to Marzal, voice is one of the most beautiful sounds that exist: the voice of a mother, a friend’s voice, the voice of a lover, the inner voice…