Carousel.prototype.go_to = function( index, currentIndex )
    {
if (currentIndex != index) {

    index = index%this.count;
    if (index < 0)
        index = index + this.count;

    this.$.faicha[currentIndex].classList.remove('ativo');
    this.$.faicha[index].classList.add('ativo');

    this.$.musica[0].setAttribute('src', 'som/' + index + '.mp3');

    /*Aqui abaixo minha tentativa*/
    this.$.nomedamusica[0].clone().appendTo(".nomedamusicaaqui");

    this.changeMusic();
    this.index = index;
}