public boolean initialize() {
   try {
       CachedUrlStream os = new CachedUrlStream(url);

       loStream = (LogicalOggStream) os.getLogicalStreams().iterator().next();
       
       vStream = new VorbisStream(loStream);
       vStreamHdr = vStream.getIdentificationHeader();

       audioFormat = new AudioFormat(
          (float) vStreamHdr.getSampleRate(),
          16,
          vStreamHdr.getChannels(),
          true, true);

       ais = new AudioInputStream(
          new VorbisInputStream(vStream), audioFormat, -1);
       
   } catch (Exception e) {
       e.printStackTrace();
       return false;
   }

   return true;
    }