{"product_id":"9780786668168","title":"Harmonica Amplifiers: A Basic Guide","description":"Gig Savers: Harmonica: Amplifiers The Gig SaversT series has been designed to give studying harmonica players answers to common questions in a brief, affordable, yet informative fashion. Harmonica Amplifiers is the first published book to specifically cover harmonica amplifiers and their usage. Areas covered are: the head, EQ and effects section, speakers, extension cabinets, tube substitutions, amp size for venue and controlling feedback, and matching an amplifier with a microphone.  ","brand":"Mel Bay Publications, Inc.","offers":[{"title":"Default Title","offer_id":47007641043184,"sku":"9780786668168","price":2.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9780786668168_p0.jpg?v=1763665079","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9780786668168","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}