Audio Playlist
A common bug associated with the Audio MP3 widget is the 'Download File' button appearing when previewing in the browser.
Stage 1
Create a new layer in the layers panel, in this case we called this layer 'Top'.
Stage 2
Right click on the Audio Loader part of the widget > Move To Layer > Move the widget to the 'Top' layer.
Completed!
Your audio player widget will now be working perfectly.