Instruction: Analyze the query and each product title. Sort the products in descending order based on their relevance to the query. The most relevant product should be at the top of the list, and output the ranked list.

Input:
Query: history of the piano
Product list:
A: The Music of Life: Bartolomeo Cristofori & the Invention of the Piano
B: A Natural History of the Piano: The Instrument, the Music, the Musicians--from Mozart to Modern Jazz and Everything in Between
Answer: B,A