static void Main(string[] args)
        {
            var band = new Band()
            {
                Name     = "Pink Floyd",
                Vocalist = new Leader()
                {
                    Name = "Roger Waters"
                },
                Musicians = new List <Musician>()
                {
                    new Musician()
                    {
                        Name       = "Sid Barret",
                        Instrument = new Instrument()
                        {
                            Name = "Electic-Guitar",
                            Type = InstrumentType.keyboard
                        }
                    },
                    new Musician()
                    {
                        Name       = "Nick Mayson",
                        Instrument = new Instrument()
                        {
                            Name = "Drums",
                            Type = InstrumentType.drum
                        }
                    },
                    new Musician()
                    {
                        Name       = "Richard Wright",
                        Instrument = new Instrument()
                        {
                            Name = "Electic-Piano",
                            Type = InstrumentType.keyboard
                        }
                    },
                }
            };

            XmlWorker worker = new XmlWorker();

            worker.Create(band);
            worker.Delete(new Musician()
            {
                Name       = "Sid Barret",
                Instrument = new Instrument()
                {
                    Name = "Electic-Guitar",
                    Type = InstrumentType.keyboard
                }
            },
                          band);
            worker.Update(new Musician()
            {
                Name       = "David Gilmour",
                Instrument = new Instrument()
                {
                    Name = "Electic-Guitar",
                    Type = InstrumentType.keyboard
                }
            }, band);
            band = worker.Read();
            band.Info();
            Console.ReadKey();
        }