private void createPlayer(){
		CategoryType kat;
		Track t;
		ArrayList<Track> tracks = rep.getTracks();
		
		for(int i = 0; i < tracks.size(); i++){
			t = tracks.get(i);
			kat = t.getKat();
			
			switch(kat) {
				case BASS:
					bassPlayer.add(new Player(t));
					break;
				case BEATS:
					beatsPlayer.add(new Player(t));
					break;
				case HARMONY:
					harmonyPlayer.add(new Player(t));
					break;
				case MELODY:
					melodyPlayer.add(new Player(t));
					break;
				case EFFECTS:
					effectsPlayer.add(new Player(t));
					break;
			}
		}
	}