Log songs you've heard on shoutcast.com to a file. Requires a http server and Greasemonkey/Tampermonkey browser extensions.

shout-history.user.js

// ==UserScript==
// @name        ShoutCast.com song history
// @author      zb3
// @include     http://*shoutcast.com*
// @include     https://*shoutcast.com*
// @grant       none
// ==/UserScript==

(function(){ 

//change this if you need...
var logUrl = 'http://localhost/shoutlog.php';
var password = 'Nickelback2016'; //well, I'd suggest a better one...

function p(x) {
  return ('0'+x).substr(-2);
}

function getTimestamp() {
  var date = new Date();
  var str = date.getFullYear() + "-" + p(date.getMonth() + 1) + "-" + p(date.getDate()) + " " + p(date.getHours()) + ":" + p(date.getMinutes()) + ":" + p(date.getSeconds());

  return str;
}

function logCurrentTrack() {
  if (stream && stream.CurrentTrack && stream.CurrentTrack!==logCurrentTrack.lastTrack) {
    logCurrentTrack.lastTrack = stream.CurrentTrack;

    var line = getTimestamp()+': '+stream.Name+": "+stream.CurrentTrack;
    console.log(line);

    var xhr = new XMLHttpRequest();
    xhr.open('POST', logUrl, true);
    xhr.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
    xhr.send('line='+encodeURIComponent(line)+'&password='+encodeURIComponent(password));
  }

  setTimeout(logCurrentTrack, 1000);
}

logCurrentTrack();

})();

shoutlog.php

<?php

//well... it only saves lines to a file, but if I have more time, I may come up with a more sophisticated solution.
$logfile = 'shoutcastcom.log';
$password = 'Nickelback2016';

//we need to enable CORS first

if (isset($_SERVER['HTTP_ORIGIN'])) {
  header("Access-Control-Allow-Origin: {$_SERVER['HTTP_ORIGIN']}");
  header('Access-Control-Allow-Credentials: true');
}

if ($_SERVER['REQUEST_METHOD'] == 'OPTIONS') {
  if (isset($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_METHOD']))
    header("Access-Control-Allow-Methods: GET, POST, OPTIONS");         

  if (isset($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']))
    header("Access-Control-Allow-Headers: {$_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']}");

  exit(0);
}

if ($_POST['password'] === $password)
  file_put_contents($logfile, $_POST['line']."\n", FILE_APPEND | LOCK_EX);