The product is a vintage paperback book titled "How to Play the Chromatic Harmonica Instantly: Book 2" by Marcos. Published in 1992 by CreateSpace, this English language book falls under the genres of Music and Instruction & Study. It provides instructions and guidance on playing the chromatic harmonica, making it a valuable resource for musicians looking to improve their skills in this specific area. The book offers a comprehensive approach to learning the instrument and is designed for both beginner and intermediate players looking to enhance their musical abilities.