Question: What is the cause of death of composer of song None But The Lonely Heart (Tchaikovsky)?
Sentence (from "Pyotr Ilyich Tchaikovsky"): Tchaikovsky's sudden death at the age of 53 is generally ascribed to cholera; there is an ongoing debate as to whether cholera was indeed the cause of death, and whether his death was accidental or self-inflicted.
Relevant evidence: Yes