{"title":"Polytonal Rhythm Series Sheet Music","description":"\u003cp\u003eThe Polytonal Rhythm Series offers instructional materials focused on jazz improvisation, harmony, and ear training. This collection features jazz progressions and theoretical study designed for students developing their improvisational skills. Emile De Cosmo's foundational work explores essential jazz harmonic structures through a tonal center approach, serving as a guide for theory, ear training, and harmony development.\u003c\/p\u003e","products":[{"product_id":"the-ii7-v7-progression-00-sb294","title":"The ii7 V7 Progression","description":"This expanded edition of Emile De Cosmo's The ii7 V7 Progression uses a tonal center approach to jazz improvisational study and encourages the student to master this most basic of jazz progressions. This book can be used as a guide for theory, ear training and harmony.","brand":"Alfred Music","offers":[{"title":"Default Title","offer_id":44602487799944,"sku":"00-SB294","price":7.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/6104\/0520\/files\/book-placeholder_60cea7a9-233a-4b05-8f11-6c9eec3fce40.png?v=1780977869"}],"url":"https:\/\/www.alfred.com\/collections\/polytonal-rhythm-series-sheet-music.oembed","provider":"Alfred Music","version":"1.0","type":"link"}