After upgrading Safari browser to version 11, users are no longer able to preview a release.
Please follow the steps below to fix the problem:
1) Go to Safari menu --> Preferences
2) Go to Websites tab, under General, click Auto-Play.On the right side, look for audio.plaympe.com and change the settings from Stop Media with Sound to Allow All Auto-Play
3) Close the Preferences window and try to preview the release again.