Question: What is the date of death of Cathy Berberian's husband?
Sentence (from "Cathy Berberian"): As a composer, she wrote "Stripsody" (1966), in which she exploits her vocal technique using comic book sounds (onomatopoeia), and "Morsicat(h)y" (1969), a composition for the keyboard (with the right hand only) based on Morse code.
Relevant evidence: No