Instruction: Evaluate each product title in the given list, assess its relevance to the given query, and then arrange the products in descending order of relevance, with the most relevant product at the top of the ranked list.

Input:
Query: musicians without borders
Product list:
A: Love Without Borders: From Inca Lands to Iraqi Sands: E-Book Edition
B: A Guitar with Purpose: How can Musicians without Borders make their Dream Tour a Reality
Answer: B,A