I setup a HTML5 page, that include a node. The page will to playing a music(mp3 format),but it just play sound to end, and I use javascript to control audio element,even so
please read this
http://www.position-absolute.com/articles/introduction-to-the-html5-audio-tag-javascript-manipulation/
and for replay event
you can set option, on replay click
audioElement.currentTime=0; audioElement.play();