A little WordPress plugin for adding audio players to posts

I have a ton of old posts for my songs that don’t have HTML5 audio players. Anyone who wanted to hear the songs would have to click a link and have the browser open a player in a new window…like some sort of cavemen. I probably could have written something to update all of the posts, but I decided to whack together a little bit of JavaScript to auto-magically add the HTML audio player for any link to an mp3 that doesn’t already have a corresponding player.…