gistfile1.java

private HashMap<String, String> tracks;

// ...

tracks = new HashMap<String, String>();
tracks.put("Dumb Loop", "track1.svg");
tracks.put("Dumb Loop 2", "track1.svg");
tracks.put("Dumb Loop 3", "track1.svg");
tracks.put("All these are the same", "track1.svg");

// ...

public String[] getTrackNames() {
	String[] trackNames = this.tracks.keySet().toArray(new String[0]);
	Arrays.sort(trackNames);
	return trackNames;
}

public String getTrackFileFromName(String trackName) {
	return this.tracks.get(trackName);
}