import javax.sound.midi.*;
import java.io.*;
public class Midikopeerimine {
  public static void main(String argumendid[]) throws Exception{
    Sequence sekvents=MidiSystem.getSequence(new File("koduke.mid"));
    long tiksudearv=sekvents.getTickLength();
    Track algrada=sekvents.getTracks()[sekvents.getTracks().length-1]; //viimane rada
    int syndmustearv=algrada.size();
    for(int nr=0; nr<syndmustearv; nr++){
      MidiEvent me=algrada.get(nr);
      if(me.getMessage() instanceof ShortMessage){
        ShortMessage sm=(ShortMessage)me.getMessage();
        ShortMessage sm2=(ShortMessage)sm.clone();
        algrada.add(new MidiEvent(sm2, me.getTick()+tiksudearv));
      } 
    }
    MidiSystem.write(sekvents, 1, new FileOutputStream("koduke2.mid"));
  }
}