''<p>DJ Tiller [[#question-1520028|said]]</p>'' <blockquote>Amazon music is no longer working on Mozilla </blockquote> Hey DJ... What does that mean? '''Show the issue.''' It works for me. see screenshot What OS? If windows, home or pro? If windows, are you running any security software besides MS Defender? What version of Firefox? If Windows Pro version, try testing in Windows Sandbox (VM) to see if you have the same issue. https://www.howtogeek.com/399290/how-to-use-windows-10s-new-sandbox-to-safely-test-apps/ You can also see what happens with windows in safe mode.