Set different background sound for labels

I hope it helps!

FLA: https://goo.gl/3YgtvP

Code:

import flash.events.MouseEvent;
import flash.media.Sound;
import flash.media.SoundChannel;
import flash.media.SoundTransform;
import flash.net.URLRequest;
var sChannel:SoundChannel;
var bgmList:Vector.<String> = new <String>
[
     "bgm/369711__mrguff__hit-impact.mp3",
     "bgm/146718__fins__button.mp3",
     "bgm/264446__kickhat__open-button-1.mp3"
];
function playSound(path:String, volume:Number = 1, start:Number = 0, loops:int = 0):void
{
     var sound:Sound = new Sound();
     var sTransform:SoundTransform = new SoundTransform();
     if (sChannel) sChannel.stop();
     sound.load(new URLRequest(path));
     sChannel = sound.play(start, loops);
     sTransform.volume = volume;
     sChannel.soundTransform = sTransform;
}
function onMouse(e:MouseEvent):void
{
     if (e.type == MouseEvent.CLICK)
     {
          if (e.currentTarget == button1)
          {
               playSound(bgmList[0], 1, 0, 100);
               gotoAndPlay("bgm1");
          }
          else if (e.currentTarget == button2)
          {
               playSound(bgmList[1], 1, 0, 100);
               gotoAndPlay("bgm2");
          }
          else if (e.currentTarget == button3)
          {
               playSound(bgmList[2], 1, 0, 100);
               gotoAndPlay("bgm3");
          }
     }
}
button1.addEventListener(MouseEvent.CLICK, onMouse);
button2.addEventListener(MouseEvent.CLICK, onMouse);
button3.addEventListener(MouseEvent.CLICK, onMouse);
stop();