I <3 AFX

gistfile1.js

// A script to click each download button on this page: https://soundcloud.com/user48736353001/sets/all
// run it in the Developer Console in Chrome with the page open.
// Worked for me! ¯\_(ツ)_/¯
// I still can't figure out how Metal Beat was recorded. It's INSANE.
list = document.getElementsByClassName('sc-button-download')
[].forEach.call(list, function(el) {
  var evt = document.createEvent("MouseEvents")
  evt.initMouseEvent("click", true, true, window, 1, 0, 0, 0, 0, false, false, false, false, 0, null)
  el.dispatchEvent(evt)
})