$w("#audioPlayer") not working

Have you got any code on your page that actually uses the Wix AudioPlayer API?

If you have any code on your page, please post it up here.

Aug 28, 2019
Wix Editor Elements ($w): Audio Player API
With the Audio Player API you can customize your Wix Audio Player . Now you can control your audio tracks programatically, customize your display, and add events as site visitors navigate your tracks