{"product_id":"2940148170594","title":"432 - Robert Johnson Caught in the Crossfire","description":"432 - Robert Johnson Caught in the Crossfire, a non-fiction book by Gene Roebuck, is a historical study of A432hz pitch as it relates to the original delta blues recordings made by Robert Johnson in 1936 and 1937 and also the subsequent LP and CD copies made in 1961, 1970, 1990, and 2011. 432 - Robert Johnson Caught in the Crossfire presents in great detail how Robert Johnson's own guitar\/harmonica connection indirectly supplied the answers needed to get him out from under the crossfire of the current speed\/pitch controversy and proposes a final resolution in ending this ongoing debate.  432 - Robert Johnson Caught in the Crossfire is a 'must have' book for all guitarists wanting to get into the head and hands of Robert Johnson and learn his unique guitar playing method, tunings, and his most favored keys, using A432hz pitch, for all his songs for slide and fingerstyle guitar.","brand":"Earmark Publishing","offers":[{"title":"Default Title","offer_id":47122283790576,"sku":"2940148170594","price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/2940148170594_p0.jpg?v=1763698840","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/2940148170594","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}