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diff --git a/src/opengameart-org-fix-audio/oga-audio.js b/src/opengameart-org-fix-audio/oga-audio.js
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+/**
+ * SPDX-License-Identifier: LicenseRef-GPL-3.0-or-later-WITH-js-exceptions
+ *
+ * Allow playing audio previews on OpenGameArt.
+ *
+ * Copyright (C) 2022 Jacob K
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * As additional permission under GNU GPL version 3 section 7, you
+ * may distribute forms of that code without the copy of the GNU
+ * GPL normally required by section 4, provided you include this
+ * license notice and, in case of non-source distribution, a URL
+ * through which recipients can access the Corresponding Source.
+ * If you modify file(s) with this exception, you may extend this
+ * exception to your version of the file(s), but you are not
+ * obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ *
+ * As a special exception to the GPL, any HTML file which merely
+ * makes function calls to this code, and for that purpose
+ * includes it by reference shall be deemed a separate work for
+ * copyright law purposes. If you modify this code, you may extend
+ * this exception to your version of the code, but you are not
+ * obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/* Use with: https://opengameart.org/*** */
+
+// for each play button, add child audio element and an event to play it
+[...document.getElementsByClassName("play-button")].forEach(function(element){
+	// add a child audio element to each button
+	let audioElement = document.createElement("audio");
+	audioElement.src = element.getAttribute("data-ogg-url");
+	element.appendChild(audioElement);
+	element.addEventListener("click", function(){ // on click, switch between pause and play
+		if (audioElement.paused) {
+			audioElement.play();
+			element.className = "stop-button";
+		} else {
+			audioElement.pause();
+			element.className = "play-button";
+		}
+	});
+	// display the play button when the audio ends
+	audioElement.onended = function(){
+		element.className = "play-button";
+	}
+});