1.0Royalty Free Music Blog by Proud Musichttps://www.proudmusiclibrary.com/en/blogAlexander Talmonhttps://www.proudmusiclibrary.com/en/blog/author/alex/rich600338<blockquote class="wp-embedded-content" data-secret="LNa8LxR9RA"><a href="https://www.proudmusiclibrary.com/en/blog/glossary/music-bed-underscore/">Music Bed – Underscore</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.proudmusiclibrary.com/en/blog/glossary/music-bed-underscore/embed/#?secret=LNa8LxR9RA" width="600" height="338" title="“Music Bed – Underscore” — Royalty Free Music Blog by Proud Music" data-secret="LNa8LxR9RA" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); </script> A music bed, also known as underscore, is a term that originates from the radio. It is understood as the background music or jingle behind an announcement, for example. Although both terms are basically synonyms, the difference lies therein, in that the latter is background music specifically created for a project, usually a movie or a TV show.