{"product_id":"hal-leonard-pocket-music-theory-a-comprehensive-and-convenient-source-for-all-musicians-9780634047718","title":"Hal Leonard Pocket Music Theory: A Comprehensive and Convenient Source for All Musicians","description":"(Book). Following in the footsteps of the popular Hal Leonard Pocket Music Dictionary, this handy pocket-sized book is the most contemporary music theory book on the market  A step-by-step guide to harmony and theory for every musician, it includes thorough, yet to easy-to-understand analysis of: intervals, rhythms, scales, chords, key signatures, transposition, chord inversion, key centers, harmonizing the major and minor scales, extended chords, modulation and much more. Packed with info from the Harmony \u0026amp; Theory course at Musicians Institute\u003cbr\u003e","brand":"Hal Leonard Publishing Corporation","offers":[{"title":"Default Title","offer_id":50523690598674,"sku":"9780634047718","price":7.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/4771\/8930\/files\/img_4eea4861-ba3a-422d-95e6-c94aaea47578.jpg?v=1731162215","url":"https:\/\/surprise-castle.myshopify.com\/products\/hal-leonard-pocket-music-theory-a-comprehensive-and-convenient-source-for-all-musicians-9780634047718","provider":"Surprise Castle","version":"1.0","type":"link"}