Audio allows you to use simple functions in your theme to display audio you have attached to Posts/Pages/Custom Post Types in your Media Library. Your player is styled 100% with CSS/images (if you want). Your audio player uses your browser's native HTML5 capabilities when available with a fallback to Flash when necessary. Allows you to play audio inline on mobile browsers that support HTML5 Audio (heeeey, WebKit!)
You can use this shortcode
[audio]
or
the_audio()
in your theme to output your item's attachments.
Read More here:
http://scotty-t.com/2010/11/22/new-plugin-audio/