Possible Conflict?

Hi – We are using this plugin on our site, http://www.americancreative.com, and have been for just under a year.

Sometime in the past 2-3 months, the player stopped appearing. We don’t have any other similar plugins activated, and I’m not certain what maybe part of theme.

Is there any way to tell what may be conflicting here? We have the option to ‘Apply to any MP3 file’ checked as well. You can view a sample at this page:

http://www.americancreative.com/voices-and-music/

Just paid a donation as well – thanks in advance for your help!
-Don

https://ww.wp.xz.cn/plugins/wp-miniaudioplayer/