Pleaea help to play mor than sound when click button

1

Hello

i want to gotoAndPlay more than one sound

Ex: when i click the button i want to play frame label m2 and frame labe m1 sound

playy.addEventListener(MouseEvent.CLICK ,pl);

function pl(event:MouseEvent):void
{

so.gotoAndPlay(“m2”);

so.gotoAndPlay(“m1”);

}

the sound play in the same time
i want to finsh play frame label m2
then stop
then play frame labe m1 and stop

please help
thank you