disable_youpy_tumblr_sound.user.js

// ==UserScript==
// @name           disable youpy tumblr sound
// @namespace      http://d.hatena.ne.jp/youpy/
// @include        http://youpy.tumblr.com/*
// @require        http://gist.github.com/raw/3242/1a7950e033a207efcfc233ae8d9939b676bdbf46
// ==/UserScript==

$X('//embed').forEach(function(e) {
  e.parentNode.removeChild(e);
});