It has to work on IE8 and above, and the rest of the modern browsers (Firefox, Chrome, Opera).
Related question: How to play a notification sound on websites?
I've tried using the Yahoo! Media Player, but it refuses to pick up on my .mp3 links despite them looking like:
<a id="wolf-blue" href="/Public/audio/wolf.mp3">a</a>
Assuming I have a .mp3 file and I want to play it when a timer reaches 0, what do you suggest I use to play this sound file? I do not want to show my users any sort of player UI, just play the sound.