{"id":20024,"date":"2026-09-14T23:55:56","date_gmt":"2026-09-14T13:55:56","guid":{"rendered":"https:\/\/geoffreychen.com\/why-trumpet-valve-combinations-naturally-run-sharp\/"},"modified":"2026-09-14T23:55:56","modified_gmt":"2026-09-14T13:55:56","slug":"why-trumpet-valve-combinations-naturally-run-sharp","status":"publish","type":"post","link":"https:\/\/geoffreychen.com\/zh\/why-trumpet-valve-combinations-naturally-run-sharp\/","title":{"rendered":"\u5c0f\u53f7\u7684\u6d3b\u585e\u7ec4\u5408\u4e3a\u4ec0\u4e48\u5929\u751f\u5bb9\u6613\u504f\u9ad8\uff1f"},"content":{"rendered":"<\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/public-assets.geoffreychen.com\/wordpress\/articles\/why-trumpet-valve-combinations-naturally-run-sharp\/c975604b1b662e700e671d06.jpg?w=1140&#038;ssl=1\" alt=\"\u5c0f\u53f7\u7684\u6d3b\u585e\u7ec4\u5408\u4e3a\u4ec0\u4e48\u5929\u751f\u5bb9\u6613\u504f\u9ad8\uff1f\" 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href=\"https:\/\/hub.yamaha.com\/winds\/brass\/the-brass-family-explained\/\" rel=\"nofollow\">https:\/\/hub.yamaha.com\/winds\/brass\/the-brass-family-explained\/<\/a><br \/><a href=\"https:\/\/sites.lib.jmu.edu\/brasspedagogy\/2016\/05\/26\/why-the-math-doesnt-add-up\/\" rel=\"nofollow\">https:\/\/sites.lib.jmu.edu\/brasspedagogy\/2016\/05\/26\/why-the-math-doesnt-add-up\/<\/a><br \/><a href=\"https:\/\/sites.lib.jmu.edu\/brasspedagogy\/2016\/05\/26\/partials-and-overtones\/\" rel=\"nofollow\">https:\/\/sites.lib.jmu.edu\/brasspedagogy\/2016\/05\/26\/partials-and-overtones\/<\/a><\/p>\n<p>","protected":false},"excerpt":{"rendered":"","protected":false},"author":17897162,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_geoff_meta_description_en":"Explains why fixed valve-tube lengths make combined trumpet fingerings run sharp, and how players correct the compromise with the third-valve 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