Instructions: Generate a correct and concise answer for the question based on the words in the context.
Input: Context : Natasha, Pierre & The Great Comet of 1812 is a musical adaptation of Leo Tolstoy's War and Peace, described as an electropop opera, with music and libretto by Dave Malloy and directed by Rachel Chavkin.
Question : Which is the basis of Natasha, Pierre & The Great Comet of 1812?
Output:
War and Peace