I modified the plugin just a little bit on my site so that it adds the code as shortcode instead of tags. For my purposes, I think it looks cleaner on the page or post I’m editing. Besides, I can just edit the regular “audio” options after I add it (such as preload, autoplay or loop).

I just modified embedGD.js:

editor.insertContent( '[audio controls src="https://docs.google.com/uc?authuser=0&id=' + id + '&type=.' + e.data.gd_type + '"]');

Thanks for the plugin, it’s a breeze to use!