jQuery(document).ready(function(){
    for (j = 0; j < 100; ++j) {
        var audioArray = document.getElementsByClassName('voice');
        var i = 0;
        audioArray[i].play();
        for (i = 0; i < audioArray.length - 1; ++i) {

            audioArray[i].addEventListener('ended', function(e){
            // pause here for 5 seconds
            var currentSong = e.target;
            var next = $(currentSong).nextAll('audio');
            if (next.length) $(next[0]).trigger('play');

        });
    }
});