import java.awt.*;
import javax.swing.*;
import javax.sound.midi.*;
import java.util.*;
import java.awt.event.*;

public class BeatBox{
	JPanel mainPanel;
	ArrayList checkboxList;
	Sequencer sequencer;
	Sequence sequence;
	Track track;
	JFrame theFrame;

	String[] instrumentNames = {"Bass Brum","Closed Hi-Hat",
		"Open Hi-Hat","Acoustic Snare","Crash Cymbl","Hand Clap","High Tom",
		"Hi Bongo","Maracas","Whistle","Low Conga","Cowbell","Vibraslap",
		"Low-mid Tom","High Agogo","Open Hi Conga"};
	int[] instruments = {35,42,46,38,49,39,50,60,70,72,64,56,58,47,67,63};

	public static void main(String[] args){
		new BeatBox().buildGUI();
	}

	public void buildGUI(){
		theFrame = new JFrame("Cyber BeatBox");
		theFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		BorderLayout layout = new BorderLayout();
		JPanel background = new JPanel(layout);
		//
		background.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));

		checkboxList = new ArrayList();
		Box buttonBox = new Box(BoxLayout.Y_AXIS);

		JButton start = new JButton("Start");
		start.addActionListener(new MyStartListener());
		buttonBox.add(start);

		JButton stop = new JButton("Stop");
		stop.addActionListener(new MyStopListener());
		buttonBox.add(stop);

		JButton upTempo = new JButton("Tempo Up");
		upTempo.addActionListener(new MyUpTempoListener());
		buttonBox.add(upTempo);

		JButton downTempo = new JButton("Tempo Down");
		downTempo.addActionListener(new MyDownTempoListener());
		buttonBox.add(downTempo);

		Box nameBox = new Box(BoxLayout.Y_AXIS);
		for(int i = 0; i