code: public static String getGenre(int i)
  	{
  		if ((i < GENRES.length) && (i >= 0)) 
  			return GENRES[i];
  		else
  			return null;
  	}
docs: Return the corresponding String for the integer coded provided.  Returns
  null if the code returned is invalid (less than 0 or greater than 125).
  
  @param i the genre code
  @return the genre String or null if the genre code is invalid