Help! Load external swf, unloa and stream music playing. ¿...?

Use:

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var load1 = new Loader();

carga.addChild(load1);

load1.load(new URLRequest("videoPlayerNT.swf"));

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For load swf

...

and:

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function desCarga(e:MouseEvent):void {

removeChild(carga);

}

bt_descarga.addEventListener(MouseEvent.CLICK,desCarga)

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For unload swf, but the video that contains the swf seems that is the background and listening to music, I can do?

Thanks to all. ^_^