{"product_id":"trumpet-harmonics-by-david-bertie","title":"Trumpet Harmonics, A Systematic Approach to Greater Flexibility By David Bertie","description":"\u003cp\u003e\u003cspan\u003eDavid Bertie’s Trumpet Harmonics is a remarkably focused study of flexibility as applied to brass playing. His concise yet comprehensive exploration is unique in several ways.\u003c\/span\u003e\u003c\/p\u003e","brand":"Sheet Music","offers":[{"title":"Default Title","offer_id":55961945276801,"sku":null,"price":15.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/0856\/9402\/files\/Bertie-Trumpet-harmonics-A-Systematic-Approach-to-Greater-Flexibility-p01-1187x1536.webp?v=1784734276","url":"https:\/\/prozonemusic.com\/products\/trumpet-harmonics-by-david-bertie","provider":"Prozone Music Ltd","version":"1.0","type":"link"}