{"id":31127,"date":"2026-10-20T15:40:52","date_gmt":"2026-10-20T15:40:52","guid":{"rendered":"https:\/\/overtonesinging4l.com\/app4l\/"},"modified":"2026-10-26T19:28:33","modified_gmt":"2026-10-26T19:28:33","slug":"app4l","status":"publish","type":"page","link":"https:\/\/overtonesinging4l.com\/en-us\/app4l\/","title":{"rendered":"APP4L"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"31127\" class=\"elementor elementor-31127 elementor-31091\">\n\t\t\t\t<div class=\"elementor-element elementor-element-37c1950 e-con e-atomic-element e-grid-base e-default-div e-a17ebbd \" data-id=\"37c1950\" data-element_type=\"e-grid\" data-e-type=\"e-grid\" data-interaction-id=\"37c1950\">\n    \n<\/div>\n<div class=\"elementor-element elementor-element-645278a2 e-flex e-con-boxed e-con e-parent\" data-id=\"645278a2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t\t<div data-id=\"edbc003\" data-interaction-id=\"edbc003\" data-e-type=\"e-youtube\" class=\"e-youtube-base e-default-div\" data-settings=\"&#x7B;&quot;source&quot;&#x3A;&quot;https&#x3A;&#x5C;&#x2F;&#x5C;&#x2F;youtube.com&#x5C;&#x2F;shorts&#x5C;&#x2F;h6rQH--YQqE&#x3F;feature&#x3D;share&quot;,&quot;autoplay&quot;&#x3A;false,&quot;mute&quot;&#x3A;false,&quot;controls&quot;&#x3A;true,&quot;cc_load_policy&quot;&#x3A;false,&quot;loop&quot;&#x3A;false,&quot;rel&quot;&#x3A;true,&quot;start&quot;&#x3A;null,&quot;end&quot;&#x3A;null,&quot;privacy&quot;&#x3A;false,&quot;lazyload&quot;&#x3A;false&#x7D;\"><\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-223905ab elementor-widget elementor-widget-text-editor\" data-id=\"223905ab\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><style>.app4l a{color:#1f6b63}.app4l a:hover{color:#164f49}.app4l *{box-sizing:border-box}<\/style><\/p><div class=\"app4l\" style=\"font-family: 'Helvetica Neue',Arial,sans-serif; background: #f4f6f5; min-height: 100vh;\"><div style=\"display: flex; align-items: center; gap: 16px; margin-bottom: 18px;\"><div style=\"background: #1c3a3a; color: #fff; font-weight: 800; font-size: 28px; padding: 10px 16px; border-radius: 6px;\">4L<\/div><p>EDUCATIONAL APP<\/p><\/div><h1 style=\"font-size: 48px; font-weight: 800; color: #15262b; margin: 0 0 28px; letter-spacing: -0.5px;\">App4L<\/h1><p style=\"font-size: 19px; line-height: 1.65; color: #2b3938; margin: 0 0 24px; max-width: 760px;\">App4L is the educational app for the <a href=\"https:\/\/overtonesinging4l.com\/il-metodo-4l-per-cantare-gli-armonici\/\">4L Method<\/a>, dedicated to the study of overtone singing and throat singing techniques.<\/p><p style=\"font-size: 17px; line-height: 1.7; color: #4b5755; margin: 0 0 40px; max-width: 760px;\">Through audio examples, ear training exercises, and interactive activities, you can listen to harmonics and sub-harmonics, recognize them, understand their structure, and turn them into melodies.<br\/>The new feature indicated by the \u201c\ud83d\udc41\ufe0f\u201d icon activates the microphone and shows exactly which harmonic you are amplifing.<\/p><p><img decoding=\"async\" style=\"width: 100%; max-width: 760px; aspect-ratio: 16\/9; object-fit: cover; display: block; margin-bottom: 48px; border-radius: 16px;\" src=\"https:\/\/overtonesinging4l.com\/wp-content\/uploads\/2026\/10\/APP4L.webp\" alt=\"Screenshot of the App4L\"><\/p><h2 style=\"font-size: 22px; font-weight: 800; color: #15262b; margin: 0 0 20px;\">App4L will help you to:<\/h2><ul style=\"list-style: none; margin: 0 0 48px; padding: 0; display: flex; flex-direction: column; gap: 16px; max-width: 720px;\"><li style=\"display: flex; gap: 14px; align-items: flex-start; font-size: 17px; line-height: 1.5; color: #2b3938;\">\u2014develop more attentive listening skills;<\/li><li style=\"display: flex; gap: 14px; align-items: flex-start; font-size: 17px; line-height: 1.5; color: #2b3938;\">\u2014become familiar with the overtone series;<\/li><li style=\"display: flex; gap: 14px; align-items: flex-start; font-size: 17px; line-height: 1.5; color: #2b3938;\">\u2014recognize patterns and melodies in Just Intonation;<\/li><li style=\"display: flex; gap: 14px; align-items: flex-start; font-size: 17px; line-height: 1.5; color: #2b3938;\">\u2014practice selecting overtones through mouth resonance;<\/li><li style=\"display: flex; gap: 14px; align-items: flex-start; font-size: 17px; line-height: 1.5; color: #2b3938;\">\u2014improve your vocal control and awareness.<\/li><\/ul><div style=\"background: #15262b; border-radius: 12px; padding: 40px 44px; margin-bottom: 40px;\"><p style=\"font-size: 18px; line-height: 1.6; color: #e7ece9; margin: 0 0 16px; max-width: 680px;\">App4L is based on a fundamental principle: when the ear recognizes an overtone, the voice can learn to reach it with greater accuracy.<\/p><p style=\"font-size: 20px; font-weight: bold; color: #ffffff; margin: 0; letter-spacing: 0.3px;\">More listening\ud83d\udc42. More awareness\ud83e\udde0. More control\ud83d\udde3\ufe0f. More music \ud83c\udfb5.<\/p><p><a style=\"display: inline-flex; align-items: center; gap: 10px; background: #1c6b61; color: #ffffff; font-weight: bold; font-size: 16px; padding: 16px 30px; border-radius: 8px; text-decoration: none;\" href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.giovannibattistabortoluzzi.app4l\" target=\"_blank\" rel=\"noopener\">Download APP4L on Google Play<\/a><\/p><p style=\"margin: 40px 0 20px; font-size: 17px; line-height: 1.6; color: #ffffff !important; font-weight: bold; max-width: 720px;\">To develop your sense of rhythm, my free app \u201cRITMO4L\u201d is now available. \ud83e\udd41 \ud83e\ude98\ud83e\ude87<br\/>A drum-machine that features fully customizable rhythms.<br\/>Suitable for all musicians, but also for anyone who wants to learn how to clap along to the beat at concerts (on 2 and 4!!!!)! \ud83d\udc4f \ud83d\udc4f \ud83d\udc4f \ud83d\udc4f<\/p><p><a style=\"display: inline-flex; align-items: center; gap: 10px; background: #1c6b61; color: #ffffff; font-weight: bold; font-size: 16px; padding: 16px 30px; border-radius: 8px; text-decoration: none;\" href=\"https:\/\/play.google.com\/store\/apps\/details?id=it.giovannibattistabortoluzzi.ritmo4l&#038;pcampaignid=web_share\" target=\"_blank\" rel=\"noopener\">Download RITMO4L\u2014FREE!<\/a><\/p> <\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>4L EDUCATIONAL APP App4L App4L is the educational app for the 4L Method, dedicated to the study of overtone singing and throat singing techniques. Through audio examples, ear training exercises, and interactive activities, you can listen to harmonics and sub-harmonics, &hellip; <\/p>\n","protected":false},"author":1,"featured_media":31128,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-31127","page","type-page","status-publish","has-post-thumbnail","hentry"],"_hostinger_reach_plugin_has_subscription_block":false,"_hostinger_reach_plugin_is_elementor":false,"_links":{"self":[{"href":"https:\/\/overtonesinging4l.com\/en-us\/wp-json\/wp\/v2\/pages\/31127","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/overtonesinging4l.com\/en-us\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/overtonesinging4l.com\/en-us\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/overtonesinging4l.com\/en-us\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/overtonesinging4l.com\/en-us\/wp-json\/wp\/v2\/comments?post=31127"}],"version-history":[{"count":3,"href":"https:\/\/overtonesinging4l.com\/en-us\/wp-json\/wp\/v2\/pages\/31127\/revisions"}],"predecessor-version":[{"id":31159,"href":"https:\/\/overtonesinging4l.com\/en-us\/wp-json\/wp\/v2\/pages\/31127\/revisions\/31159"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/overtonesinging4l.com\/en-us\/wp-json\/wp\/v2\/media\/31128"}],"wp:attachment":[{"href":"https:\/\/overtonesinging4l.com\/en-us\/wp-json\/wp\/v2\/media?parent=31127"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}